This browser utility unstretches distorted photos, anamorphic video screenshots, and incorrectly rendered camera frames. When old camcorder clips, security camera recordings, or pixel-aspect-mismatched graphics display subjects that look unusually narrow or flattened, this tool restores realistic visual geometry using client-side canvas scaling.

### Processing Architecture The tool operates entirely within the HTML5 canvas runtime in your local browser tab:

- **Image Loading:** Reads your uploaded graphic via FileReader into an in-memory image element. - **Horizontal Adjustment (scaleX):** Scales the width dimension as a percentage (defaults to 133%, standard for correcting 4:3 frames squeezed into widescreen displays). - **Vertical Adjustment (scaleY):** Scales the height dimension as a percentage (defaults to 100%). - **Canvas Resampling:** Re-renders the bitmap onto a target canvas sized to $\text{round}(\text{width} \times [\text{scaleX} / 100])$ and $\text{round}(\text{height} \times [\text{scaleY} / 100])$ using high-quality image smoothing.

### Worked Example Imagine an archive video still exported from a 1440x1080 capture where human faces look unnaturally narrow and elongated:

1. **Upload File:** The user selects `cctv_export.jpg` (1440 × 1080 px). 2. **Adjust Scale:** Horizontal scale is kept at 133%, while vertical scale is maintained at 100%. 3. **Resampling:** Target width becomes $1440 \times 1.33 = 1,915\text{ px}$, while height remains 1,080 px. 4. **Export Result:** The canvas outputs a full-resolution PNG restoring realistic 16:9 widescreen proportions.

### Privacy and Client-Side Execution All bitmap transformations occur locally on your device via the HTML5 canvas 2D rendering context. Your uploaded pictures and video stills are never transferred over the internet or uploaded to any cloud server.