Compress image to 50 KB

Shrink any photo or image to 50 KB or less for ID photos, signatures and forms that cap uploads at 50 KB. JPG, PNG, WebP and HEIC and more. Free, and most never leave your browser.

  • Mostly in your browser
  • Same format, smaller file
  • Batch & ZIP download
  • JPG
  • PNG
  • WebP
  • AVIF
  • GIF
  • HEIC
  • TIFF

How to compress an image to 50 KB

  1. 1

    Add your images

    Drop JPG, PNG, WebP or HEIC files onto the compressor above, paste them, or click to browse. Mixed formats are fine.

  2. 2

    50 KB is preset

    Every file is compressed to land at or just under 50 KB. You can switch to another size, or a percentage to reduce by.

  3. 3

    Compress

    Click Compress. Each image keeps its format and, for most formats, never leaves your browser.

  4. 4

    Check and download

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

Which format keeps the most at 50 KB

The same 50 KB holds a different amount of detail depending on the format. Rough size of a detailed 3:2 photo at good quality:

FormatA photo fits roughlyGood to know
JPG≈ 680 × 450 pxAccepted almost everywhere; the safe pick for forms
WebP≈ 770 × 520 pxMore detail than JPG, if the site accepts WebP
HEIC≈ 840 × 560 pxiPhone photos; many forms don't accept it
AVIF≈ 870 × 580 pxMost efficient, least widely accepted
PNG≈ 350 × 230 pxBest for logos, screenshots and signatures, not photos

Rough guide for detailed photos. Each file keeps its own format; convert first if the destination needs a specific one.

What 50 KB is typically for

  • Passport and ID photos on online applications
  • Profile pictures and avatars
  • Logos in email signatures

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

Photo won't fit in 50 KB?

Other image sizes

50 KB for a specific format

Tips and numbers for one format at 50 KB.

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

Compress image to 50 KB: frequently asked questions

Free, private and in your browser

Any image, 50 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