Popular size · your own rules, ready to edit
Compress a photo to 100 KB
100 KB is a common ceiling for application photos and scanned signatures. It's generous enough that most photos need only light compression, so Maru keeps your full resolution where it can.
Choose a requirement or enter your rules.
JPG, PNG, WebP or HEIC · stays on this device
Add your rules to start
Maru uses the rules you enter. Check them against your form's instructions. Remembered on this device only.
Processed on this device. Nothing is uploaded.
02 — Where this size fits
Verified requirements that accept this size
- UK UK Passport Photo Size Online at least 600×750 px, 50 KB–10 MB
- US DV Lottery Photo Size 600 px square, JPEG, up to 240 KB
- UK UK Visa Photo Size at least 600×750 px, JPEG, 50 KB–6 MB
- US US Visa Photo Size 600–1,200 px square, JPEG, up to 240 KB
- NTA JEE Main Photo Size JPEG, 10 KB–200 KB
- NTA JEE Main Signature Size JPEG, 10 KB–100 KB
- NTA NEET Photo Size JPEG, 10 KB–200 KB
- NTA NEET Signature Size JPEG, 10 KB–100 KB
Listed only when the official rule, checked against its source, accepts this size. Each requirement page has the full rule set and the source.
03 — Tips
Get a clean result
- If the form needs exact pixels, add them; otherwise Maru keeps a sensible passport-style frame.
- Already under 100 KB? Use Check only on a requirement page to confirm without changing the file.
04 — Questions
Compress a photo to 100 KB: questions
How do I make a photo under 100 KB?
Add the photo and press Fix & check. Maru compresses it to 100 KB or less and grades the result.
Can I compress to exactly 100 KB?
Maru aims for the best quality at or under 100 KB. If your form has a minimum too, enter it and Maru keeps the file above it.
Which format does Maru save?
JPG by default, the format most forms ask for. You can switch to PNG in the rules panel.
05 — More sizes
Other popular sizes
Maru is not affiliated with any government. Requirements come from the official sources linked on each page. Always confirm on the official site before you submit.