Pixelate JPG

Pixelate JPEG images online into discrete mosaic tiles. Censor sensitive text and faces or generate retro 8-bit pixel art with adjustable block sizes.

Private • In-browser processing • Zero server uploads

Interactive workspace loading...

How to Use Pixelate JPG

1
Load JPG Photo
Upload or drag your JPEG image into the tool.
2
Adjust Block Size
Use the block size slider to control how coarse or fine the pixelation appears.
3
Inspect Output
Preview the mosaic effect in real-time on the canvas.
4
Download Pixelated JPG
Click Download to save your pixelated JPEG image.

Key Features

Adjustable Mosaic Tile Size
Dial block sizes from subtle 4px tiles to chunky 64px retro pixel blocks.
Fast Local Pixel Averaging
Employs high-speed color box averaging directly in WebAssembly/Canvas.
Privacy Censor Protection
Irreversibly blends sensitive pixels so underlying text or identity cannot be recovered.
100% In-Browser Privacy
Photos are pixelated locally on your machine with zero server uploads.

Common Use Cases

  • Censoring sensitive information like credit card numbers, license plates, and private documents.
  • Obscuring faces and identities in journalistic photographs and public evidence.
  • Creating nostalgic 8-bit and 16-bit video game style pixel art from modern photos.
  • Abstracting photo backgrounds to keep focus on foreground text.

Frequently Asked Questions

Because the tool averages all original pixels inside each block into a single solid color, the high-frequency source detail is permanently discarded and mathematically impossible to reconstruct.

A block size between 14px and 20px is typically sufficient to make small text, license plates, and faces completely illegible.

Yes! The tool accepts all standard image formats and outputs an optimized pixelated JPEG.

Grayscale JPG
Convert a JPG image to grayscale (black and white) in your browser.
Add Border to JPG
Add a solid or gradient border around a JPG image with custom width and color.
Blur an Image
Apply a Gaussian blur to any image (PNG, JPG, WebP) with adjustable radius.
Pixelate WebP
Apply a pixelation effect to a WebP image with custom block size.
Change JPG Quality
Re-encode a JPG image with a custom quality level (1–100) to reduce file size.