You’ve got the perfect photo, but the online form says: “Image must be JPG, 20 KB to 100 KB, maximum 200×230 pixels.” Your phone photo is 4 MB. Sound familiar? Portals like exam boards, passport and visa forms, and job applications all set strict limits. The fix is two simple steps: resize the dimensions, then compress the quality. Here’s how to do both correctly.
File size vs dimensions — know the difference
- Dimensions are the width × height in pixels (e.g. 200×230).
- File size is how much space the file takes, in KB or MB.
They’re related but not the same. A form usually limits both. Shrinking the dimensions is the first big cut; compressing the JPG quality does the rest. Always read the form’s rules first and note the required dimensions, size range, and format.
The right order of steps
- Crop to the right shape first — most photo forms want a portrait/passport ratio with your face centred.
- Resize the dimensions to what the form asks (e.g. 200×230 px). This alone often cuts a 4 MB file to well under 100 KB.
- Choose JPG — it’s the format almost every form wants, and it compresses photos far smaller than PNG.
- Compress — lower the quality until the file lands inside the required KB range. Watch the preview so the face stays clear.
- Download and check the final KB size before uploading.
Chitra — Image ToolsCompress, resize, convert & make passport photos. Free, in your browser.
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How to keep quality while shrinking
- Resize before you compress. Cutting dimensions first means you need less aggressive compression, so the photo stays sharp.
- Don’t over-compress. Push quality down only until you’re inside the size limit — going further just adds blur for no reason.
- Start from the original, not a screenshot or a WhatsApp-forwarded copy, which is already degraded.
- Keep a full-size backup in case you need a different size later.
Why do it in the browser?
With a browser-based tool like Chitra, your photo never leaves your device — it’s processed right on your phone or computer, so a sensitive ID photo isn’t uploaded to any server. That’s faster and more private than most “online compressor” websites.
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