Compress Image to 20KB Online.
Reduce the file size of your photograph or signature scan to under 20KB (or any exact target size) with real-time visual comparison. Ideal for government exam portals, job applications, and ID registrations.
1. Compression settings
Click to upload or drag and drop
Supports JPG, PNG, WebP up to 20MB
2. Quality Preview
How to Compress Photos & Signatures to 20KB
Follow these 3 quick steps to compress any JPG or PNG below 20KB without distortion.
Upload Your File
Drag and drop your photo or signature scan into the dropzone.
Set Target to 20KB
Ensure the target size is set to 20KB or adjust the quality slider to match your exact portal requirements.
Download Instantly
Preview the side-by-side quality and click download to save your 20KB image.
Frequently Asked Questions
Common questions about 20KB image and signature compression.
How do I compress an image or signature to exactly under 20KB?
Upload your photo or signature scan above. Our tool is pre-set to target 20KB. The smart compression engine balances JPEG quantization and chroma subsampling to reduce your file below 20KB without making signatures unreadable.
Why do government exam forms require 10KB to 20KB images?
Most recruitment portals (UPSC, SSC, IBPS, State PSCs) enforce a strict 10KB–20KB file size limit to prevent server overload when handling millions of applicant uploads.
Is compressing signature and passport photos safe?
Yes, 100% private. All processing occurs entirely in your browser memory via client-side Canvas. Your signature or sensitive ID photos are never sent across the internet.
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