Compress Image to 10 KB

Compress an image to 10 KB — the size most Indian government exam portals demand for scanned signatures.

Supports JPEG, PNG, WebP, GIF, BMP and more — up to 50 MB

How to compress an image to 10 KB.

The target is preset, so this takes three steps — plus what to expect at 10 KB.

1
Step 1

Upload your image

Click upload or drag and drop any JPEG, PNG, WebP, SVG, or GIF file from your device.

2
Step 2

Target is already set to 10 KB

This page is preset to 10 KB, so there is nothing to type. Choose JPEG or WebP output for the most efficient result at this size.

3
Step 3

Compare, then download

Press compress and check the result against your original in the slider. Roughly 450 × 450 px is the realistic pixel budget at 10 KB — download when it looks right.

Getting the best results

Scan signatures in grayscale, not colour

A signature has no useful colour information. Converting to grayscale before compressing removes two-thirds of the channel data and typically halves the file, which leaves far more budget for actual sharpness.

Match the stated pixel dimensions first

Most forms specify dimensions as well as a file size — often 140 × 60 px for signatures. Resize to those exact numbers before compressing and the 10 KB limit stops being a constraint at all.

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Bulk Compressor

Compress multiple images at once and download as ZIP.

Image Rotator

Rotate images by any angle or flip horizontally/vertically.

Compressing an image to 10 KB.

What 10 KB is actually for, what it can hold, and how to get there without wasting quality.

What 10 KB is good for

10 KB is the number most people arrive here with because a form told them to. SSC, IBPS, and several state recruitment portals specify a 10 KB ceiling for signature uploads, and they reject anything above it without explaining why.

Signatures happen to be ideal for this target. Dark ink on white paper contains very little of the fine tonal variation that consumes bytes, so a signature that meets the required pixel dimensions will usually drop under 10 KB with quality left over.

Where this size is required

Scanned signature uploads for SSC, IBPS, RRB, and state government recruitment forms; small profile thumbnails; and icon sets where a handful of images share one page-weight budget.

What to expect at 10 KB

For a signature or any high-contrast document scan, 10 KB is comfortable — expect a clean result at the 140 × 60 px range these forms typically ask for. For a photograph, 10 KB means around 450 × 450 pixels at best, with visible softening in areas of fine detail.

Frequently asked questions.

Everything you need to know about compressing images to 10 KB.

Target the upper end. Forms that state a range are usually rejecting files that are too small as well as too large, because an extremely small file suggests an unreadable scan. Aim for 15 KB to sit safely inside the window.

Only at small dimensions. Around 450 × 450 pixels is realistic for a simple portrait; a detailed landscape at that size will show visible blocking. Resize to the dimensions you actually need before compressing rather than forcing a full-resolution photo down.

A second or two. Almost all of the wait is uploading your original file, so a 5 MB photo takes longer to send than it does to compress, particularly on a mobile connection.

Yes, and PNG is often the better choice here. A signature is dark ink on white with hard edges, which PNG stores cleanly and compactly, while JPEG tends to add grey fuzz around the strokes.

Then leave it alone. Some portals reject files that are suspiciously small as unreadable, so if your scan is already 4 KB, consider rescanning at a higher resolution rather than compressing further.

For a photographic JPEG, roughly 450 × 450 px is the practical ceiling before compression becomes visible. Flat graphics, screenshots, and document scans do considerably better, because they contain less fine detail to preserve.

No. Images are processed on our secure server only to perform the compression and are deleted immediately after your download. They are never stored, shared, or accessed by anyone.