Browser-only image tool
Compress Image to 30 KB
Compress any photo to exactly 30 KB in your browser — free, instant, and private. Perfect for online portals and registration forms with a 30 KB file size limit.
Compress your photo to 30 KB — free, in your browser.
Open the tool → pick your photo and set target to 30 KB
How it works (3 steps)
- Pick your photo. JPG, PNG, or WebP. The file stays in your browser — never uploaded to any server.
- Set target to 30 KB. Adjust the quality slider if the output looks too degraded.
- Download. Get the compressed photo instantly. Use it on the form that rejected your original file.
Why 30 KB? What portals use this limit
30 KB is a common file size threshold for passport-size photos in professional registration systems. It is stricter than the typical 50 KB limit but more lenient than 20 KB, allowing for slightly better image quality while still keeping files small enough for large-scale database systems that store millions of records.
State government employee registration portals and professional body certification exams frequently use 30 KB as their photo upload cap. The limit balances display quality against storage overhead — at 30 KB, JPG photos are clear enough to identify faces while remaining lightweight for batch processing.
Perfect for...
- Professional certification exam registration portals
- State government employee registration systems
- Employee ID management and badge systems
- Scholarship and fellowship application photo uploads
Tips for 30 KB compression
- Use JPG output — fine-grained quality control makes it easy to land precisely at 30 KB.
- Aim for 300×400 pixels — this dimension range compresses cleanly to 30 KB with visible face detail.
- Light background helps — plain white or light grey backgrounds compress more efficiently than complex patterns.
- WebP alternative — if the portal accepts WebP, it will give better quality than JPG at the same file size.
FAQ
How do I compress an image to exactly 30 KB?
Open UploadReady, pick your photo, and set the target to 30 KB. The tool compresses locally in your browser. Adjust the quality slider if needed. Download instantly — your file never leaves your device.
Which portals require a 30 KB photo limit?
Professional certification exams, state government registration portals, employee ID systems, and scholarship application portals commonly enforce 30 KB limits.
Is 30 KB enough for a clear passport-size photo?
Yes. At 30 KB in JPG format, a 300×400 pixel passport photo will be clear and recognizable. Compression at 30 KB is moderate — much less aggressive than 15 KB or 20 KB.
What format gives the best quality at 30 KB?
JPG and WebP both work well. WebP gives slightly better quality, but most portals accept JPG only. Use JPG unless the portal specifically supports WebP.
Can I compress a PNG to 30 KB?
PNG is lossless and reduces size through dimension reduction. For photo-style images, reaching exactly 30 KB as PNG may require very small dimensions. Use JPG for a 30 KB target.
Does UploadReady upload my photo to a server?
No. All compression happens locally in your browser. Your photo never reaches any server. Once you close the tab, the image is gone.