SizeToKB
Reduce to KB

Size to KB · Free size reducer

Compress Image to 10KB

Compress image to 10KB online free — reduce photo or signature size to 10KB. Private size reducer.

Private · nothing saved On-device · no upload Free · no signup

Exact KB tool

Hit 10 KB max

Size reducer for compress image to 10KB / reduce photo size to 10KB — adjust min/max if your limit differs.

Settings

Select or drag & drop imageThen crop & rotate · JPG, PNG, HEIC · Max 10 MB

How to compress to 10KB

  1. 1. Open this page and upload your photo (JPG/PNG from camera or gallery).
  2. 2. Crop if needed so bytes go to the face or document — not empty background.
  3. 3. Keep the 10KB target (or adjust min/max), then Free Download the compressed JPG.
  4. 4. Upload that file to your form or portal. Your original never leaves this device.

Share with friends

Help others reduce photo & signature size for exam forms

Instagram has no direct web share link — on phone tap Share… and pick Instagram, or use Copy link and paste in your story / bio / DM.

Compress image to 10KB · reduce size to 10KB

Hit a 10KB ceiling for strict portals. For signatures with ink cleanup, prefer Signature cleaner (often 10–20 KB).

If quality collapses at 10KB, crop tighter or check whether the form allows a higher max.

Frequently Asked Questions

Upload your photo on this Size to KB page, crop if needed, then Free Download when the file is at or under 10KB. Processing stays in your browser — nothing is uploaded to our servers.