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Free Online PDF Tools

Merge, split, compress, and edit PDF documents in your browser without uploading files to remote servers.

Client-Side Processing 31 Free Tools
Organize6 tools

Reorder, split, combine, and delete pages to organize your document.

Optimize2 tools

Shrink file sizes for email or application forms, and inspect damaged files.

Security4 tools

Add passwords, remove existing passwords, and redact confidential details.

Edit9 tools

Add signatures, text, page numbers, notes, and blank pages.

PDF to Other3 tools

Turn PDF pages into image formats, plain text, or HTML.

Other to PDF2 tools

Convert photos, image scans, or web markup into clean PDF files.

Analyze5 tools

Inspect metadata, count words and pages, and pull out raw text or images.

How In-Browser PDF Processing Works

Standard online PDF converters upload your files to remote servers for processing. This hub works differently: all 31 PDF tools run directly inside your web browser using client-side JavaScript and WebAssembly libraries. When you merge, split, compress, or edit documents, your files are read into local device memory and processed entirely on your hardware.

Because processing never requires server uploads, sensitive documents—such as tax returns, legal contracts, invoices, and medical records—remain completely private on your computer, tablet, or phone.