Compress PNG to 500 KB

Shrink a PNG to 500 KB or less for full-width hero images and forms with a 500 KB cap. Free, and nothing is uploaded.

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

How to compress a PNG to 500 KB

  1. 1

    Add your PNG

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

  2. 2

    500 KB is preset

    The target is already set to 500 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 PNG 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 500 KB

PNG is lossless at heart, so what fits in 500 KB depends heavily on the content.

ContentRoughly fitsNotes
Logo or flat graphic≈ 2,580 × 2,580 px (7 MP)Few colours compress very well
Screenshot≈ 2,000 × 1,250 px (3 MP)After palette reduction
Photo≈ 1,100 × 730 pxConvert to JPG for far more

Rough guide for square, 16:10 and 3:2 images. Real results depend on detail and colour count.

What 500 KB is typically for

  • Full-width hero and banner images
  • Photo uploads on forms that allow up to 500 KB
  • Sharing photos in chats without sending the full original

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

How PNG gets smaller

Reduces the colour palette (lossy levels) and re-compresses at maximum zlib effort.

Compress PNG by quality level instead →

Neighbouring sizes

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

Got a mix of formats? Compress any image to 500 KB.

Compress other images

All images →

PNG to 500 KB: frequently asked questions

Free, private and in your browser

PNG to 500 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