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Browse the complete index of free web tools, PDF utilities, image studios, and calculators on ubifytools.com.
🌐Core Platform Pages
📄PDF Studio Tools (31 In-Browser Tools)
Merge PDF FilesSplit PDFExtract PDF PagesDelete PDF PagesReorder PagesRotate PagesCompress PDFRepair PDFProtect PDFUnlock PDFWatermark PDFRedact PDFAdd Page NumbersAdd Blank PageCrop PDFAnnotate PDFDraw on PDFAdd Text to PDFAdd Image to PDFSign PDFFill PDF FormsPDF to Image ConverterPDF to Text ConverterPDF to HTMLImage to PDFHTML to PDFPDF Metadata Viewer & EditorWord CountExtract Images from PDFExtract Text from PDFOCR PDF Text Recognition
🖼️Image Studio Tools (65 High-Precision Tools)
Expert JPG to PNG Converter — Professional-Grade & 100% PrivatePNG to JPG Converter — In-Browser Image OptimizationWebP to JPG Converter — Convert WebP to Universal JPEGWebP to PNG Converter — Preserve Alpha TransparencyImage Compressor — Reduce File Size Free OnlineImage Resizer — Scale Pixel Dimensions OnlineImage Cropper — Focus & Frame Free OnlineAI Photo Restorer — Fix Blurry Photos & Enhance 4KPNG to WebP Converter — Transparent Image CompressionJPG to WebP Converter — Next-Gen Image CompressionAI Background Remover - Remove Background from Image Online FreeAI Object Remover — Clean Unwanted Objects OnlineImage to Base64 Converter — Developer UtilityAI Image Upscaler — Professional 4K/8K Neural EnlargerProfessional HEIC to JPG Converter — 100% Private Apple Photo StudioAdd Watermark to Photo Online — Professional Brand ProtectionImage Color Palette Extractor — Professional Design IntelligenceBlur Sensitive Info in Image Online — Privacy ProtectionSplit Image into Grid Tiles Online — Instagram & Panorama SlicerRound Image Corners Online — Circular Avatar & Border Radius MakerRotate & Flip Image Online — Orientation & LevelingPhoto Filters Online — Color Grading & Effect PresetsSVG to PNG Converter — Rasterize Vector Graphics OnlineSocial Media Image Resizer — Platform Banner & Post DimensionsMeme Generator Pro — Viral Meme Creator No WatermarkImage to PDF Studio — Convert JPG to PDF Online FreeAI Metadata & EXIF Scrubber — Secure Privacy ShieldFavicon & App Icon Generator — Multi-Platform Icon SuiteID & Passport Photo Maker — Print-Ready 35x45mm & 2x2in StudioUS Passport Photo Maker — Official 2x2 Inch StudioIndian Passport Photo Maker — Official 35x45mm Online ToolUK Passport Photo Maker — Official 35x45mm HMPO StudioResize Image to MM & CM — 300 DPI Print ResizerPrint Sheet Maker — Tile Photos on A4 & 4x6 PaperID Photo Background Remover — White & Blue BackdropsAdd Shot on iPhone & Camera Watermark Online — EXIF BrandingPNG to SVG Converter — In-Browser Vector TracingBlur Faces in Photos Online Free — AI Privacy & GDPR StudioCanada Passport Photo Maker — Official 50x70mm Online SizerAustralia Passport Photo Maker — Official 35x45mm Online SizerImage DPI Changer — Convert to 300 DPI for Print Online FreePixels to MM Converter — Print Dimension CalculatorAI Face Crop Tool — Biometric Passport Centering Online FreeChange Background to White for Passport Photo Online FreeChange Background to Blue for Passport Photo Online FreeUS Visa Photo Maker — Official 2x2 Inch Online StudioSchengen Visa Photo Maker — Official 35x45mm Online ToolIndia PAN Card Photo Maker — 2.5x3.5cm Online SizerDriving License Photo Maker — Official ID Size Online StudioChina Passport Photo Maker — Official 33x48mm Online StudioUAE Passport & Visa Photo Maker — Official 43x55mm ICP StudioGermany Passport Photo Maker — Official 35x45mm Online Biometric StudioFrance Passport Photo Maker — Official 35x45mm Online Biometric StudioJapan Passport Photo Maker — Official 35x45mm MOFA StudioSingapore Passport Photo Maker — Official 35x45mm ICA StudioSchengen Visa & Passport Photo Maker — Official 35x45mm Online StudioItaly Passport Photo Maker — Official 35x45mm Fototessera StudioSpain Passport & DNI Photo Maker — Official Foto Carnet StudioMexico Passport Photo Maker — Official SRE StandardsBrazil Passport Photo Maker — Official 5x7cm & Foto 3x4 SizerTurkey Passport & Biometric Photo Maker — Official 50x60mm StudioNetherlands Passport Photo Maker — Official 35x45mm Pasfoto ToolSwitzerland Passport & Passfoto Maker — Official 35x45mm Fedpol StudioIreland Passport Photo Maker — Official 35x45mm Online StudioIndia Aadhar Card Photo Maker — Official Document Sizing
CodeDeveloper Tools (132)
HTML Extractor & StripperJSON Formatter & ValidatorJSON MinifierCSS FormatterCSS MinifierJavaScript Beautifier & MinifierHTML MinifierRegex TesterBase64 Encoder & DecoderURL Encoder & DecoderJWT DecoderCode Diff CheckerUUID & GUID GeneratorCron Expression ParserHTML Escape & UnescapeMarkdown to HTMLHTML to MarkdownYAML to JSONJSON to YAMLXML to JSONJSON to XMLSQL FormatterHTTP Status Code LookupMIME Type CheckerCharacter Encoder (UTF-8/ASCII)Backslash Escape & UnescapeString ReverserHash GeneratorHEX to Binary & DecimalNumber Base ConverterPDF Bloat & Stream Composition AnalyzerLive HTML & CSS Viewer (TryIt Editor)Python Online Compiler & REPLMarkdown Viewer & Live EditorCSS Flexbox & Grid PlaygroundSQL Playground & Query RunnerDelimiter & Column Surgery StudioGray Code, BCD & Binary Logic StudioIn-Browser Grep, Sort & Line Filter StudioMock Data & API Payload GeneratorEmbedded PDF Font Inspector & ExtractorCAD .dxf Vector Blueprint Viewer & PDF ExporterEurorack 1V/Octave CV Voltage Divider & AttenuatorAutomotive OBD-II DTC Fault Code & Freeze-Frame InterpreterFiber Optic Link Loss Budget & Attenuation CalculatorRF Coaxial Cable Loss, VSWR & Return Loss CalculatorPCB Trace Width & Current Capacity Calculator (IPC-2152)Op-Amp Closed-Loop Gain & Cutoff Bandwidth CalculatorCoaxial Quarter-Wave Stub Notch Filter CalculatorI2C Bus Pull-Up Resistor & Bus Capacitance SizerToroidal Ferrite & Powdered Iron Inductor Turns SizerMulti-LED Current Limiting Resistor & Wattage SizerRC Low-Pass & High-Pass Passive Filter Cutoff SizerElectronic Heat Sink Thermal Resistance (C/W) CalculatorEngine Bore, Stroke, Displacement & Static Compression Ratio SizerTransmission Gear Ratio to Vehicle Speed & RPM CalculatorFuel Injector Flow Rate CC/Min to Horsepower SizerTurbocharger Pressure Ratio & CFM Compressor Flow MatcherExhaust Primary Header Tube Diameter & Tuned Length SizerBraking Stopping Distance & Deceleration Rate CalculatorQuarter-Mile Elapsed Time & Trap Speed Horsepower SizerTire Diameter, Aspect Ratio & Speedometer Error CalibratorEngine Valve Spring Seat Pressure & Coil Bind SizerSuspension Roll Center & Wheel Rate Spring SizerEngine Dyno SAE J1349 Atmospheric Correction Factor CalculatorOil Cooler Sizing & Heat Rejection BTU/hr CalculatorHalf-Wave Dipole & Inverted-V Antenna Cutting Length SizerRF Friis Free-Space Path Loss (FSPL) Link Budget SizerLoRaWAN Long-Range Wireless Link Margin & RSSI PredictorRF Skin Depth & AC Conductor Resistance CalculatorYagi-Uda Antenna Director & Reflector Spacing SizerHelical Axial-Mode Circular Polarization Antenna SizerCascaded RF Noise Figure & Friis Amplifier Sensitivity SizerRF Attenuator Pi, Tee & Bridged-T Resistor Pad CalculatorLC Resonant Tank Frequency & Q-Factor CalculatorCoaxial Cable Characteristic Impedance & Velocity SizerSmith Chart Complex Impedance to Reflection Coefficient ConverterEIRP & Effective Radiated Power ERP Transmitter SizerQuarter-Wave Monopole Ground Plane Radial Length SizerRF Power dBm to Watts & Volts Peak-to-Peak ConverterIntermodulation Distortion (IMD3) Third-Order Intercept SizerMicrostrip Transmission Line Characteristic Impedance (IPC-2141)Coplanar Waveguide (CPW) Grounded Transmission Line SizerNear-Field to Far-Field Rayleigh Antenna Distance SizerMagnetic Loop Small Transmitting Antenna Efficiency SizerParabolic Dish Antenna Gain & Beamwidth CalculatorSatellite Dish Azimuth, Elevation & LNB Polarization Skew SizerGreat Circle Haversine Distance & Initial Bearing GPS SizerUniversal Transverse Mercator (UTM) to Latitude Longitude ConverterOptical Distance to Horizon & Line of Sight Radar SizerGPS Dilution of Precision (DOP) Position Error SizerMulti-Tool Pipeline & Chain RunnerGit Emergency & 'Oh Shit, Git!' Interactive ResolverVisual Cron Schedule Designer & Human ExplainercURL to Multi-Language Code ConverterEpoch Unix Timestamp Converter & Timezone MatrixUUIDv4 & UUIDv7 Microsecond-Ordered GeneratorJSON to TypeScript & Zod Schema SynthesizerHTML Entities & Unicode Code Points DirectorySQL DDL Schema to Visual ERD GeneratorJSONPath Query Studio & Filter TesterGraphQL Schema to TypeScript Type SynthesizerJSON Semantic Diff & Tree ComparatorRegEx Find & Replace Capture PlaygroundRegEx Railroad Visual Syntax DiagrammerInteractive Git Branching & Merge VisualizerMock JSON API Server & Fixture GeneratorKeyboard Key Rollover & Ghosting TesterVisual Cron Expression Studio & Next-Trigger SimulatorCode Diff Checker & Visual Text ComparatorcURL to Code Converter (Python, Node.js Fetch, Go, Rust)JSON to JSON Schema Generator (Draft-07 & 2020-12)Visual Regex Explainer & Live TesterUbify Developer Shell & Web CLIDeveloper Cheat Sheets (Git, Docker, Linux, HTTP, SQL)Barcode Generator (PNG & SVG)Fake Name Generator (Test Data)Spin the WheelRandom Name PickerCoin FlipLottery Number GeneratorDice RollerDecision MakerCountdown TimerHTML Table GeneratorOnline StopwatchOnline Alarm ClockPomodoro TimerOnline MetronomePX to REM ConverterScreen Resolution CheckerDead Pixel Test
SearchSEO Tools (22)
Meta Tag AnalyzerOpen Graph PreviewerTwitter Card PreviewerXML Sitemap Generatorrobots.txt TesterKeyword Density CheckerRedirect Chain CheckerCanonical Tag CheckerHreflang Tag ValidatorTitle & Meta Description CheckerSERP Snippet PreviewerBacklink Anchor Text AnalyzerInternal Link ExtractorSchema Markup ValidatorPage Word Count (SEO)Alt Tag CheckerBroken Link CheckerDomain Age CheckerReadability Score CheckerDuplicate Content CheckerVisual robots.txt Generator & AI Bot ControllerYouTube Tag Generator
TypeText & Content (52)
Word & Character CounterCase ConverterLorem Ipsum GeneratorText Diff CheckerText ReverserPalindrome CheckerText to URL SlugDuplicate Line RemoverAlphabetical Line SorterText TruncatorSentence CounterReading Time EstimatorFancy Text GeneratorText to ASCII ArtWhitespace RemoverText RepeaterFind & ReplaceText to BinaryBinary to TextMorse Code ConverterTyping Speed TestWordle GameUniversal Language Translator StudioClean Reader Mode & Ad-Free PDFVoice to Text & Audio TranscriberNumber to Words & Roman Numeral EngineInvisible Character & Blank Space GeneratorSmall Text Generator (Superscript, Subscript & Small Caps)AI Content Detector & Perplexity Burstiness MatrixText Summarizer & Key Sentence RankerAcademic Citation Generator & Bibliography BuilderEmoji Clipboard Picker & Unicode Code InspectorVideo Subtitle (.srt / .vtt) to Formatted Dialogue Script PDFMarkdown & LaTeX Table SynthesizerYouTube Channel Name GeneratorText to Speech OnlineFree Resume BuilderCover Letter GeneratorLeave Application GeneratorExperience Letter GeneratorWord UnscramblerScrabble Word FinderAnagram SolverSyllable Counter & ReadabilityRandom Word GeneratorBusiness Name GeneratorUsername GeneratorGamertag GeneratorInstagram Caption GeneratorHashtag GeneratorScript Duration CalculatorBirthday Wishes Generator
ArrowLeftRightData & Converters (90)
CSV to JSONJSON to CSVCSV to XMLXML to CSVMarkdown to PDFHTML to PDFExcel to JSONJSON to ExcelUnix Timestamp ConverterDate Difference CalculatorTimezone ConverterCurrency ConverterUnit ConverterTemperature ConverterSpeed ConverterArea ConverterNumber to WordsRoman Numeral ConverterHEX to RGB & RGBAColor Name FinderPersonal Injury Settlement EstimatorStatute of Limitations CheckerChild Support CalculatorAlimony EstimatorSmall Claims Court Limit CheckerExpungement Eligibility CheckerDivorce Cost EstimatorDrug Interaction CheckerMental Health Symptom CheckerSaaS Pricing CalculatorBusiness Valuation CalculatorHTML Table to CSV & Excel ConverterButter Converter & Sticks to Grams MatrixPDF Saddle-Stitch Booklet Imposer3-Ring Binder Gutter & Margin ShifterPast Exam & Study PDF Highlighter RemoverPrint Bleed & Crop Mark Inserter4×6 Thermal Shipping Label ExtractorScanned Document Auto-Deskewer & Angle StraightenerAcademic PDF Page Number Re-Indexer (Roman to Arabic)Apple .pages & .numbers Document ExtractorWhatsApp Voice Note to Standard Audio ConverterThermal Infrared Color-Scale Heatmap InspectorDiagonal Invoice & Legal PDF Status StamperHospital Medical MRI & CT Scan DICOM (.dcm) Patient ViewerPDF Zero-Color Toner Saver (Bypass Empty Color Cartridges)Bank Cheque / Check MICR E-13B Optical DecoderThick PDF Booklet Binding Creep CompensatorGPS Track (.gpx) Telemetry Video Overlay GeneratorAudiobook & Podcast MP3 to Single M4B with Chapter MarkersMobile Deposit Check Print Aligner (Front & Endorsement Box)Instant Direct Deposit Voided Check PDF GeneratorMusic Sheet Key Transposition & Pitch Shift PDF Re-NotatorESC/POS Thermal Receipt Dot-Matrix Bytecode Generator1-Bit OLED / E-Paper C-Array & U8g2 Bytecode ConverterNotary & Legal Exhibit Bates Numbering & Stamp PDF SequencerBraille Grade-1 & Grade-2 Tactile PDF Embosser & Stencil MakerMIDI File Event List & Polyphonic Note VisualizerAvery & Sheet Label Grid Alignment Calibrator (PDF)Micro-QR Code (11×11 to 17×17) High-Density GeneratorSysEx MIDI Hardware Synth Patch Librarian & Preset Inspector8-Bit Retro Chiptune Sound FX & Audio WAV SynthesizerAmazon FBA & 2D Pallet Shipping Label GeneratorGS1-128 SSCC-18 Pallet Barcode Generator & VerifierOfficial Notary Public Jurat & Acknowledgment Journal Ledger SizerStatutory Prejudgment & Post-Judgment Daily Interest CalculatorDigital Evidence Chain of Custody Audit Ledger & Hash SizerTrue PDF Vector Blackout & Client-Side Redaction Proof SizerDeposition Transcript Word Count & Video Runtime SizerAttorney Hourly Fee Split & Retainer Drawdown Balance SizerCivil Litigation Discovery Response Deadline & Holiday CalendarStructured Settlement Present Value & Cash Discount SizerPrivate Offline PDF Invoice & Receipt BuilderSubtitle SRT & WebVTT Multi-Format ConverterUniversal CSV to JSON, SQL & Markdown ConverterPDF Digital Signer & Visual Stamp StudioPDF to Clean Markdown ConverterLegal Document Bates Stamping EngineMP4 to MP3 ConverterMP3 Cutter OnlineAudio Joiner OnlineVolume Booster OnlinePDF to JPGPDF to ExcelWord to PDFEdit PDF OnlineExtract Images from PDFText to PDF ConverterReceipt GeneratorSalary Slip Generator
GlobeWeb & Network (34)
DNS LookupWhois LookupHTTP Header CheckerIP Address LookupSSL Certificate CheckerPing ToolPort CheckerWebsite ScreenshotPage Size CheckerBroken Link FinderURL ShortenerQR Code GeneratorURL ParserWebsite Technology DetectorResponse Time CheckerInternet Speed TestScreen QR Code Scanner & DecoderGovernment & Portal Upload Pre-Flight CheckerIP Subnet & CIDR Prefix CalculatorBandwidth & File Download Time CalculatorPunycode & IDN International Domain ConverterIPv4 Integer, Hex & Binary Radix Matrix1-Click Browser Bookmarklet GeneratorNetwork Ports & Protocols EncyclopediaUser-Agent Inspector & Client Hints AnalyzerMicrophone & Audio Input VisualizerVisual Reaction Time & Reflex TesterCPS Click Speed & Jitter CounterMechanical Keyboard Switch SoundboardFocus Ambient Sound Generator (White, Pink & Brown Noise)Global Timezone Meeting & Overlap PlannerCORS Header Generator & Config BuilderOnline Tone Generator & Binaural StudioLUFS Loudness Meter & True Peak Auditor
ImageIconImage Tools (112)
Image CompressorImage ResizerImage Format ConverterFavicon GeneratorSVG to PNG ConverterImage to Base64Base64 to ImageImage Color PickerImage Metadata (EXIF) ViewerPlaceholder Image GeneratorScreenshot to Text (OCR)GIF MakerImage CropperBackground RemoverWatermark AdderPhone-Scan Paper Whitener & Shadow EraserPassport & Visa 4×6 Print Sheet ($0.35 Hack)Exact-KB Target File CompressorThermal Receipt Printer 1-Bit DitherizerTransparent Signature Extractor & Paper CleanerSticker Puffy White Border & Die-Cut MakerCorrupted JPEG & PNG Header RepairerLined Notebook & Graph Paper Line EraserTrue Vectorizer: Blurry PNG to Scalable SVG PathsCCTV & Fisheye Lens DefisherGlare & Washed-Out Barcode Contrast RestorerSquished & Stretched Aspect Ratio FixerGovernment KYC Photo & Signature Stack & Stitch MakerVisible Date/Time & GPS Coordinate Photo Watermarker3D Lenticular Flip Interlacer (2-Image Hologram Print Maker)Thermal Barcode Dead-Pin Gap Repairer (Fix White Banding)Specular Glare & Flash Reflection SubtractorTransparent PNG Alpha Halo & Matte Defringe CleanerE-Ink & Kindle Custom Manga & Comic Contrast Curve OptimizerSecurity Camera & Dashcam CCTV Timestamp OSD Inpainter35mm C-41 Color Film Negative Orange Mask Remover & InverterCyanotype & Sun-Print Digital Negative Curve LinearizerGame Boy Camera 2-Bit Tilemap & ROM Palette ExtractorAstrophotography Star Spike & Diffraction Spikes SimulatorChroma Subsampling (4:4:4 vs 4:2:2 vs 4:2:0) Visualizer & CleanerMulti-Color E-Paper 7-Color Dither & Byte Array EngineEBU R128 / ITU BS.1770 Broadcast LUFS & True-Peak Audio MeterHome Studio & Theater Sabine RT60 Decay CalculatorThiele-Small Subwoofer Enclosure Volume & Tuning CalculatorAudio Delay Time to Milliseconds & Reverb Pre-Delay QuantizerSample Rate Pitch Transposer & Tape Speed Semitone SizerFM Synthesis Carrier-to-Modulator Frequency Ratio ExplorerMicrophone Polar Pattern Proximity Effect & Off-Axis AttenuationPassive 2-Way & 3-Way Speaker Crossover Component SizerRoom Mode Axial, Tangential & Oblique Resonant Standing Wave SizerAudio dB SPL Distance Attenuation & Inverse Square Law SizerHeadphone Amplifier Output Power mW to dB SPL Loudness SizerAnalog Tape Flanging, Phasing & Comb Filter Frequency SizerEqual Loudness ISO 226 Phon to dB SPL Contour VisualizerAnalog Synthesizer Envelope ADSR Millisecond Time SizerGuitar Amplifier Output Transformer Impedance Ratio SizerHorn Subwoofer Acoustic Flare Cutoff Frequency SizerDecibel Voltage (dBu / dBV) to RMS Volts Audio ConverterAudio Cable Balanced XLR vs Unbalanced CMRR Noise SizerStereo Panning Law (0dB, -3dB, -4.5dB, -6dB) Audio SizerDynamic Range Crest Factor to RMS Headroom MeterBass Trap Membrane Resonance Frequency & Depth SizerMastering Equalizer Q-Factor to Bandwidth in Octaves ConverterCinema Anamorphic Lens Aspect Ratio De-Squeeze SizerNeutral Density (ND) Filter Exposure Stops & Shutter Speed SizerSMPTE 29.97 / 23.976 Drop-Frame & Non-Drop Frame Timecode MathProRes & H.265 Video Encoding Bitrate to File Size Storage Sizer3-Axis Camera Gimbal Payload Center of Gravity & Torque SizerChroma Key Green Screen Bleed Spill Subtractor & Clean MattesCinematography Shutter Angle to Shutter Speed Exposure SizerCamera Sensor Crop Factor & 35mm Equivalent Focal Length SizerProjector Throw Distance, Screen Size & Lumens Lux SizerDMX-512 Stage Lighting Universe Channel & Dip Switch SizerOptical Field of View (FOV) Horizontal / Vertical Angle SizerLED Video Wall Resolution, Pixel Pitch & Viewing Distance SizerFilm Exposure Foot-Candles to ISO & T-Stop Cine Light SizerHigh-Speed Slow-Motion Frame Rate to Shutter Light Flicker SizerCamera Lens Macro Magnification Reproduction Ratio SizerLive Streaming RTMP / SRT Video Bitrate & Bandwidth SizerAnamorphic Oval Bokeh Distortion & Blur Aspect SizerColor Temperature Mired Shift & Gel Filter CalculatorBroadcast Safe Video Legal IRE Gamut & Clipping CheckerTime-Lapse Interval, Event Duration & Memory Card SizerTelescope Eyepiece Magnification, True Field & Exit Pupil SizerAstrophotography 500 Rule & NPF Sharp Exposure Time SizerCelestial Coordinates RA / Dec to Local Altitude / Azimuth SizerMoon Phase Illumination Percentage & Next Full Moon PredictorSun Altitude, Solar Noon & Golden Hour Lighting Angle SizerGeomagnetic Storm Kp-Index to Aurora Borealis Visibility SizerAtmospheric Air Refraction Optical Apparent Altitude SizerDead & Stuck Pixel Fullscreen Screen TesterCustom SVG QR Code Studio & Logo EmbedderBase64 Image Data URI Encoder & CSS ExporterCSS Sprite Sheet Packer & Atlas GeneratorIn-Browser Screen & Window Video RecorderAudio Trimmer & Sound Waveform CutterAudio Pitch & Playback Speed Shifter8-Bit Retro Chiptune Sound SynthesizerVideo Aspect Ratio Letterbox & Fit StudioChroma Key Green Screen Transparency RemoverMulti-Platform App Icon PackagerYouTube Thumbnail DownloaderYouTube Thumbnail MakerCompress Video OnlineVideo to GIF ConverterTrim Video OnlineMute Video OnlineRotate Video OnlineVideo Speed ControllerAdd Audio to VideoMerge Images OnlineAdd Text to Image
ShieldSecurity & Crypto (18)
Password GeneratorPassword Strength CheckerHash Generator (Crypto)HMAC GeneratorBcrypt Hash GeneratorRSA Key GeneratorAES Encrypt & DecryptUUID Generator (Crypto)TOTP & 2FA Code GeneratorRandom Token GeneratorPhoto & Document Metadata Forensic InspectorMulti-Hash Checksum & Integrity VerifierJWT Debugger & Secret CraftsmanEphemeral Self-Destructing Secret Link GeneratorFile Checksum & SHA Multi-Hash VerifierSSL/TLS Certificate X.509 PEM DecoderBcrypt & Argon2 Password Hash PlaygroundEXIF Photo Privacy & GPS Metadata Scrubber
CalculatorMath & Calculators (325)
Percentage CalculatorScientific CalculatorBMI CalculatorLoan & EMI CalculatorAge CalculatorTip CalculatorDiscount CalculatorCompound Interest CalculatorPrime Number CheckerGCD & LCM CalculatorMortgage Affordability CalculatorCar Insurance EstimatorLife Insurance Needs CalculatorLoan EMI & Amortization CalculatorDebt Payoff CalculatorNet Worth CalculatorSavings Goal CalculatorCredit Card Payoff CalculatorTax Bracket CalculatorInvestment Return CalculatorSobriety CalculatorRehab Cost EstimatorPregnancy Due Date CalculatorRent vs Buy CalculatorHome Affordability CalculatorProperty Tax EstimatorClosing Costs CalculatorFreelance Rate CalculatorLLC vs S-Corp Tax CalculatorProfit Margin CalculatorAge in Days CalculatorWork Hours & Time Card CalculatorCollege & High School GPA CalculatorCourse Grade & Final Exam CalculatorAuto Loan & Monthly Car Payment CalculatorDaily Calorie, TDEE & Macro CalculatorRunning Pace & Marathon Split CalculatorFraction Calculator & Step-by-Step SolverStandard Deviation & Variance Calculator401(k) Retirement CalculatorRoth IRA CalculatorTraditional IRA CalculatorSocial Security Benefits CalculatorDefined Benefit Pension CalculatorStudent Loan Repayment & Payoff CalculatorCollege Tuition & Savings CalculatorMortgage Refinance Break-Even CalculatorHELOC Payment CalculatorFHA Loan & Mortgage Insurance Payment CalculatorVA Mortgage CalculatorCar Lease Payment CalculatorReturn on Investment (ROI) CalculatorInternal Rate of Return (IRR) CalculatorCertificate of Deposit (CD) CalculatorBond Yield to Maturity (YTM) CalculatorPresent Value (PV) CalculatorFuture Value (FV) CalculatorRequired Minimum Distribution (RMD) CalculatorHome Down Payment Savings CalculatorBody Fat Percentage Calculator (US Navy Method)Basal Metabolic Rate (BMR) CalculatorIdeal Body Weight CalculatorLean Body Mass (LBM) CalculatorOvulation & Fertility Window CalculatorConception Date CalculatorMenstrual Period & Cycle TrackerPregnancy Weight Gain CalculatorOne Rep Max (1RM) CalculatorTarget Heart Rate & Training Zones CalculatorBlood Alcohol Content (BAC) CalculatorMacronutrient Split CalculatorDaily Protein Requirement CalculatorDaily Water Intake & Hydration CalculatorBody Type & Shape CalculatorCalories Burned by Activity CalculatorIntermittent Fasting Schedule CalculatorGFR Kidney Function Calculator (CKD-EPI)Caffeine Half-Life & Sleep Clearance CalculatorREM Sleep Cycle & Bedtime CalculatorTriangle Geometry & Trig Solver3D Geometric Volume Calculator3D Surface Area CalculatorCircle Area, Circumference & Diameter CalculatorQuadratic Equation Solver (ax² + bx + c = 0)Percent Error CalculatorNumber Sequence & Series CalculatorExponent & Power CalculatorLogarithm Calculator (log, ln, log2)Slope & Line Equation Calculator2x2 Matrix Determinant & Trace CalculatorMidpoint & Distance Formula CalculatorPermutations & Combinations (nPr & nCr) CalculatorProbability & Odds CalculatorRandom Number Generator (RNG)Virtual Dice Roller (d4, d6, d8, d10, d12, d20, d100)Virtual Coin Flipper & Toss SimulatorBinary Arithmetic & Bitwise CalculatorHexadecimal Calculator & ASCII ConverterRatio & Aspect Ratio Scaler CalculatorScientific Notation CalculatorSignificant Figures (Sig Fig) CalculatorZ-Score & Normal Distribution CalculatorConfidence Interval (CI) CalculatorConcrete Slab & Footing CalculatorSquare Footage & Multi-Room CalculatorMulch, Soil & Landscaping CalculatorPaint Coverage & Gallons CalculatorFloor & Wall Tile CalculatorDrywall Sheet & Joint Compound CalculatorGravel & Crushed Stone CalculatorDate Difference & Duration CalculatorTime Duration & Clock Difference CalculatorAppliance Electricity Cost CalculatorSales Tax & Pre-Tax Receipt CalculatorVAT Calculator (Inclusive & Exclusive)Bra Size & Cup Measurement CalculatorDog Age in Human Years CalculatorCat Age in Human Years CalculatorLove Compatibility & Name Match CalculatorCooking & Kitchen Measurement ConverterBaking Recipe Scaler & Servings MultiplierRoad Trip Fuel Cost & Gas CalculatorElectric Vehicle (EV) Charging Cost CalculatorHistorical Inflation & Purchasing Power CalculatorCompound Annual Growth Rate (CAGR) CalculatorBreak-Even Sales & Unit Volume CalculatorWedding Budget Breakdown & EstimatorBoat & Marine Loan Financing CalculatorEstate Tax & Inheritance Exemption CalculatorAI API Token & LLM Cost CalculatorSaaS Metrics & Rule of 40 CalculatorYouTube AdSense Earnings & RPM CalculatorFreelance Hourly Rate & Billable Hours CalculatorE-Commerce & Payment Gateway Fee CalculatorElectric Vehicle (EV) vs. Gas Fuel Cost CalculatorHome Solar Panel Payback & ROI CalculatorCrypto Dollar-Cost Averaging (DCA) CalculatorHigh-Yield Savings Account (HYSA) CalculatorFinal Exam Grade Needed CalculatorWeighted & Unweighted GPA CalculatorSAT to ACT Score Concordance ConverterPassword Entropy & Brute-Force Crack Time SimulatorHTTP Security Headers & CSP Configuration AuditorJWT (JSON Web Token) Debugger & Claims InspectorStockX Seller Fee & Payout CalculatorPoshmark Seller Fee & Earnings CalculatoreBay Seller Fee & Profit CalculatorMercari Seller Payout & Direct Deposit Calculator50/30/20 Rule Budget & Spending CalculatorFIRE (Financial Independence, Retire Early) CalculatorVideo Recording File Size & Bitrate CalculatorInternet Download Time & Transfer Speed CalculatorCups to Grams Baking & Ingredient Density ConverterAspect Ratio & Screen Resolution Scaler CalculatorTire & Wheel Size Comparison Calculator50-State Overtime & Double-Time Pay CalculatorVisual Subnet Mask & CIDR IP CalculatorPassword Entropy & GPU Cracking Time SimulatorAspect Ratio & Screen Resolution CalculatorReading Time & Speech Duration CalculatorUniversal Unit Multi-Matrix ConverterResistor Color Code & SMD Resistor CalculatorSerial Baud Rate & UART Timing CalculatorTDEE, BMR & US Navy Body Fat CalculatorMortgage & Extra Principal Amortization CalculatorNet Worth & 20-Year Asset Allocation VisualizerFair Bill Splitter & Dining Group CalculatorBox-and-Whisker Plot & Outlier CalculatorO-Ring Sizing & Gland Groove Calculator555 Timer Astable & Monostable Frequency CalculatorPCB Trace Width & Current Capacity (IPC-2152)Timing Belt & Pulley Center Distance CalculatorSpur Gear Dimensions & Involute CalculatorStepper Motor Step Angle & Microstepping RPM CalculatorHeat Sink Thermal Resistance SizerSalary to Hourly, Weekly & Daily Rate ConverterCompound Interest & Daily Reinvestment CalculatorCurrency Converter (Offline Cached Rates)US CPI Inflation & Historical Purchasing Power CalculatorCar Lease vs. Buy Financial Decision EngineFreelancer Billable Hourly Rate CalculatorDebt Snowball vs. Avalanche Payoff Strategy EngineSleep Cycle & Circadian REM Clock CalculatorDaily Water Intake & Hydration FormulaTile & Grout SizerPaint Coverage & Gallon SizerDrywall Sheet & Screws SizerDeck Framing & Board SizerPrivacy Fence EstimatorRoofing Shingle & Square SizerPatio Paver & Sand Base EstimatorBrick & Cinder Block SizerInsulation R-Value Batt SizerRaised Bed Soil & Compost Sizer2-Cycle Gas-to-Oil Mix Ratio CalculatorRoad Trip Fuel & Passenger SizerTransmission Gear & RPM Speed SizerEngine Bore & Stroke SizerTrailer Tongue Load & Safety SizerDeep Cycle Battery & Inverter SizerCarpet Roll & Padding EstimatorRetaining Wall Block & Backfill SizerTire Size & Speedometer Offset SizerAspect Ratio & Resolution ScalerOBS Streaming Bitrate MatcherAudio/Video Lip-Sync Latency SizerPodcast File Size & Bandwidth SizerCamera Crop Factor & Field-of-View SizerTimelapse Interval & Clip Duration SizerCommercial Cap Rate & NOI SizerRental Cash-on-Cash Return AnalyzerHome Seller Net Proceeds SizerBRRRR Deal Equity & Refinance Sizer1031 Exchange Deadlines & Boot SizerSolar Electric Payback & ROI SizerBackdoor Roth IRA Pro-Rata Tax Sizer72(t) Early Retirement Distribution SizerHigh-Yield Savings vs Inflation Growth CalculatorAuto Lease vs Purchase SizerFreelance Hourly Rate SizerPayment Processor Fee & Net SizerStartup Burn Rate & Runway SizerLinux Chmod Permissions MatrixIPv4 Subnet Mask & Host SizerNGINX Reverse Proxy SizerCrontab Schedule HumanizerDocker Compose Container SizerLinux Systemd Service GeneratorSemantic Versioning (SemVer) BumperSourdough Bread Hydration SizerCoffee-to-Water Brew Ratio SizerBBQ Meat Smoking Time & Temp SizerWet Brine Salt Ratio & Salinity CalculatorMacro Split & TDEE Calorie SizerCreatine Monohydrate SizerBAC & Sobriety Timeline SizerDaily Water Intake SizerRunning Race Pace & Split TimesCandle Wax & Fragrance Load SizerEpoxy Resin Mix SizerSoap Making Lye & Water Sizer90/180-Day Schengen Visa Rolling Window SizerGlobal Distributed Team Sync Hours SizerUS FEIE 330-Day Physical Presence SizerStandard Deviation, Mean & Variance SizerPermutations & Combinations (nPr & nCr) SizerA/B Test Statistical Sample Size SizerBayes’ Theorem Posterior Probability SizerQuadratic Equation Factoring & Vertex Sizer2x2 Matrix Determinant & Scale Factor SizerFibonacci & Golden Ratio SizerSaaS Churn Rate & Customer LTV SizerGross Margin vs Markup SizerOvertime & Double-Time Paycheck SizerBreak-Even Sales Volume SizerLawn Grass Seed & Overseeding SizerFertilizer NPK Application SizerHomebrew Beer ABV & Gravity SizerWine Chaptalization Sugar SizerSewing Fabric Yardage SizerKnitting & Crochet Yarn Skein SizerRoom AC BTU Capacity SizerFirewood Cord & Stack SizerAppliance Electricity Cost SizerPropane Tank Burner Runtime SizerSwimming Pool Water Volume & Chemical Shock SizerWater Heater First-Hour Rating (FHR) SizerCeiling Fan CFM & Blade Span SizerHome Generator Surge & Wattage SizerMoving House Box & Tape Packing SizerLandscape Mulch Bags to Cubic Yards SizerConcrete Water-to-Cement Ratio SizerBaseboard & Trim Molding Linear SizerDeck Stair Stringer Rise & Run SizerWindow Blinds Measurement SizerAirline Luggage Linear Inches SizerRestaurant Bill & Tip SplitterDiscount & Sales Tax CalculatorFractional Drill Bit to Decimal/Metric SizerRing Size & Finger Measurement SizerInternational Shoe Size Matrix SizerPassword Entropy 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EstimatorOff-Grid Generator Autostart Battery State-of-Charge SizerSheet Metal K-Factor, Bend Allowance & Blank Flat Pattern SizerWelding Heat Input (kJ/in) & Weld Interpass Temperature SizerDrill Tap Size & Thread Percentage Sizer (Metric & Imperial)Bolt Tightening Torque & Preload Tension (Dry vs Lubricated)Sheet Metal Air Bending Press Brake Tonnage & V-Die SizerGrinding Wheel Surface Feet per Minute (SFPM) Max RPM SizerMetal Hardness Brinell, Rockwell C, Vickers & Tensile ConverterLathe Turning Surface Speed (SFM) & Feed Rate per RevolutionShielding Gas Flow Rate (CFH) & Cylinder Arc Time SizerPlasma Cutter Air CFM, Amps & Cut Speed Travel SizerOxy-Acetylene Torch Tip Size & Gas Pressure Flow SizerSheet Metal Punching & Piercing Shear Tonnage SizerMetal Thermal Heat Shrink Fit Interference Diameter SizerSpot Welding Nugget Diameter & Tip Electrode Force SizerBandsaw Blade Teeth Per Inch (TPI) & Cutting Speed SizerBroaching Force & Keyway Depth Tooth Load SizerSand Casting Gating 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