Compress Image to 20KB
Compress any image to under 20 KB right in your browser. Automatic quality tuning hits your target size — no uploads, no signup.
Drop an image here or click to browse
Supports PNG, JPG, and WebP — compressed to ≤ 20 KB automatically
Original
Compressed
Saved
How to use Compress Image to 20KB.
- 1
Drop an image (JPG, PNG, or WebP) into the tool or click to choose a file
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The tool automatically compresses it to 20 KB or less
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Compare the original and compressed sizes shown on the result card
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Click Download to save the compressed image
Why use this tool.
Meet hard 20 KB upload limits on forms and portals in one click
No trial-and-error with quality sliders — the tool finds the setting for you
Photos never leave your device — safe for ID photos and documents
No signup, no watermark, no file limit
About Compress Image to 20KB.
This tool compresses JPG, PNG, and WebP images to 20 KB or less automatically. Government exam portals and job application forms commonly cap photo uploads at 20 KB. Instead of guessing at quality percentages and re-exporting until the file is small enough, the tool searches for the best quality setting that fits the 20 KB budget and, when needed, resizes dimensions intelligently. Everything runs in your browser — the image is never uploaded, so identity documents, application photos, and signatures stay on your device. The result downloads instantly as a JPG that passes 20 KB upload validation.
Frequently asked questions.
How does the tool get the image under 20 KB?
It runs a binary search on JPEG quality, re-encoding the image several times until it finds the highest quality that stays under 20 KB. If even the lowest reasonable quality is too big, it scales the dimensions down slightly and tries again — the same process you would do by hand, automated.
Will my image lose quality?
Some quality loss is unavoidable when targeting a fixed size — that is what compression is. The tool always picks the highest quality that fits under 20 KB, so you lose as little as possible.
Is my photo uploaded to a server?
No. Compression happens entirely in your browser using the HTML5 canvas API. Your photo never leaves your device, which makes this safe for passport photos, ID documents, and signatures.
What format is the output?
The compressed image is delivered as a JPG, which is the format virtually all upload forms with size limits expect. Transparent areas of PNGs are flattened onto a white background.
Why do exam portals require 20 KB photos?
Application systems built for millions of submissions keep storage and bandwidth costs down with strict caps — passport-style photos are commonly limited to 20–50 KB and signatures to 10–20 KB. This tool hits those targets automatically.
Will a 20 KB photo still look acceptable?
At typical passport-photo dimensions (around 200×230 px), 20 KB is enough for a clear, recognizable photo. The tool may reduce dimensions to keep the face sharp rather than over-compressing a large image into artifacts.