Compress Image to 10KB
Free tool to compress or reduce any JPG, PNG or WebP image to 10KB online. Runs 100% in your browser – your photos are never uploaded. Perfect for exam & job-application forms.
Need a photo or document under 10KB? Drop your image above and imageto10kb tunes the quality — and the resolution if needed — until the file lands at or under exactly 10KB. Nothing is uploaded; all compression happens on your own device.
At 10 KB you are in signature territory rather than photo territory. A scanned signature at the 140×60 px most portals ask for compresses to roughly 3.5 KB, so it clears 10 KB without effort. A full passport photo is the harder case: at 413×531 px it cannot reach 10 KB on quality alone, so imageto10kb reduces the pixel dimensions too, and you should expect visible softening. If your form permits smaller dimensions, set them — that costs far less quality than forcing the quality slider to the floor.
Which forms ask for this size
PAN card signature (max 10 KB), SSC signature (10–20 KB), IBPS and SBI signature (10–20 KB), NEET signature (4–30 KB), PPSC photo and signature (10–40 KB) and JEE Main signature (10–100 KB).
What to expect at this size
10 KB is signature territory rather than photo territory, and that distinction matters. A scanned signature at 140×60 px lands around 3.5 KB with room to spare — you are unlikely to struggle. A full passport photo squeezed to 10 KB at 413×531 px is a different story: expect visible softening around the eyes and hairline, and blocky patches in any flat background. If a form asks for a photo under 10 KB, reduce the pixel dimensions first rather than pushing quality to the floor.
How to compress an image to 10KB
- Open imageto10kb. Drag your photo onto the box above, or click to choose a JPG, PNG or WebP file from your device.
- Set the target to 10 KB. Compressing a signature? Leave the dimensions alone — it will already fit. For a photo, tick “Resize to exact pixel dimensions” and enter what your form asks for, because at 10 KB the dimensions do more work than the quality does.
- Click Compress. imageto10kb searches the quality range first and only shrinks the image if no quality setting gets under 10 KB — so detail is given up in the order that costs you least.
- Download. Check the before/after preview, then download your 10 KB image, ready to upload anywhere.
Frequently asked questions
Can a passport photo really be 10KB?
Yes, but only at small pixel dimensions. At 413×531 px a portrait forced under 10 KB looks noticeably soft. Forms that want a photo this small usually also specify smaller dimensions — set those and the quality holds up.
My signature is already under 10KB. Do I still need to compress it?
No. If it already fits and the dimensions match what the form asks for, upload it as it is. Compressing further only costs quality for nothing.
The form says exactly 10KB, not under. What do I do?
Almost every form means at most 10 KB. If yours genuinely sets a minimum too, enter that in the minimum size box and the tool will aim for the range instead of the ceiling.
How do I compress an image to 10KB?
Upload your image, set the target to 10 KB, and click Compress. imageto10kb searches for the best quality that stays under 10 KB, then lets you download the result.
Will the quality drop?
For small targets like 10KB some quality loss is unavoidable, but the tool keeps the highest quality that still fits, so it looks as good as 10KB allows.