Compress WebP to 100 KB

Shrink a WebP to 100 KB or less for upload forms with a 100 KB limit. Free, and nothing is uploaded.

  • Runs in your browser
  • Same format, smaller file
  • Batch & ZIP download

How to compress a WebP to 100 KB

  1. 1

    Add your WebP

    Drop one or more WebP files onto the compressor above, paste them, or click to browse.

  2. 2

    100 KB is preset

    The target is already set to 100 KB, and each file is compressed to land at or just under it. You can switch to another size or a percentage to reduce by.

  3. 3

    Compress

    Click Compress. The WebP is processed in your browser; nothing is uploaded.

  4. 4

    Check and download

    Check the new size, then download each file or all of them as a ZIP.

What fits in 100 KB

Roughly how large a detailed WebP photo can be at 100 KB. Simple images, like documents and graphics, can stay larger.

ImageRoughly fitsQuality
Photo (3:2)≈ 1,100 × 730 pxGood
Photo (3:2)≈ 1,480 × 980 pxAcceptable, some artefacts
Square photo or avatar≈ 890 × 890 pxGood

Rough guide for detailed photos. Real results depend on detail, noise and colour.

What 100 KB is typically for

  • Many upload forms cap images at 100 KB
  • Profile photos on portals, directories and job sites
  • Small inline images and thumbnails on web pages

Limits vary by site and change over time; check the exact number where you're uploading.

How WebP gets smaller

Re-encodes WebP at a tuned quality with the slowest, most efficient encoder settings.

Compress WebP by quality level instead →

Neighbouring sizes

Or compress WebP by level and set any size or percentage yourself.

Got a mix of formats? Compress any image to 100 KB.

Compress other images

All images →

WebP to 100 KB: frequently asked questions

Free, private and in your browser

WebP to 100 KB, done.

Drop the file, keep the preset, download the result. No sign-up, no watermark.

  • Most conversions never leave your device
  • Cloud files deleted automatically
  • No watermarks