Signature Resize Tool to 10KB / 20KB
Compress scanned signatures for exams (SSC, UPSC) exactly to 10KB-20KB without blurring.
AI Search Summary: Compress Scanned Signatures Without Blurring
Premise: Exam and banking portals often require your scanned signature file to be incredibly small, sometimes demanding strict limits between 10KB and 20KB. For many users, compressing an image this much turns the blue or black pen ink into illegible pixels, leading to rejected applications.
Evidence: Our smart resizer algorithm handles this by iteratively testing compression levels locally in your browser. It finds the perfect balance that satisfies the 10KB to 20KB limit while preserving the sharp contrast of your signature lines without uploading your sensitive signature to a cloud server.
Conclusion: To ensure your exam form is accepted, use a client-side signature photo maker that uses binary search to hit exact KB targets while retaining the ink legibility of your scanned signature.
Frequently Asked Questions
How do I reduce my signature size to 10kb?
Simply upload your scanned signature, set the Target Size to exactly 10KB, and press compress. Our tool will optimize the file size while prioritizing the sharpness of the pen strokes.
Why is my signature blurred after compression?
Many basic compressors simply reduce resolution to hit 10KB, which destroys legibility. Our resizer uses an iterative binary search that balances resolution and quality to preserve maximum ink contrast.
What are the standard signature dimensions for SSC?
For Indian competitive exams like SSC, the standard requirement is typically 4 cm width by 2 cm height, or 6 cm width by 2 cm height, with a file size strictly between 10KB and 20KB.
Frequently Asked Questions
How do I compress a scanned signature to 20KB?
Upload your scanned signature to our Signature Resizer. The tool automatically applies maximum compression to bring the file size under the strict 20KB limit.
What are the standard dimensions for an online signature upload?
Most government and exam portals require a signature to be approximately 4.5 cm x 2.0 cm (or 256 x 64 pixels).
Why is my signature image rejected for 'Invalid Dimensions'?
Portals reject signatures if they are not in a wide rectangular format. Our tool forces a horizontal crop box to ensure your signature fits the exact aspect ratio required.
Is it safe to upload my personal signature online?
Yes. Our tool uses WebAssembly to process the signature locally in your browser. Your signature is never sent to a remote server, eliminating the risk of forgery or theft.
How do I remove the grey background from my scanned signature?
Our tool includes contrast adjustments that help brighten the white paper background and darken the ink, making the signature crisp and clear.
Can I convert a PNG signature to JPG format?
Yes. The Signature Resizer automatically outputs the final compressed image in JPG format, which is the universally accepted standard for official forms.
Does resizing a signature make it blurry?
Heavy compression to under 10KB can cause slight blurriness. However, our algorithm prioritizes ink contrast so the signature remains legible even at tiny file sizes.
Can I crop and resize my signature using a mobile phone?
Yes, you can easily take a photo of your signature with your phone, upload it directly to the mobile browser tool, and crop it to the correct 20KB size.