Compress Signature to 20KB Online
The most common requirement for Indian government exams (SSC, IBPS, State PSCs) is a signature between 10KB and 20KB. Use this tool to instantly reduce your signature file size to under 20KB without losing readability.
Target
Under 20KB
Format
JPG / JPEG
Exams
SSC, IBPS, RRB
Privacy
100% Client-side
Key details
File Size
10KB - 20KB
Format
JPEG / JPG only
Dimensions
Usually 4x2 cm or 140x60 px
Background
White paper, black/blue ink
How it works
Crop the signature
Make sure only the ink is visible, not the whole page.
Compress to 20KB
Click the button above to load the compressor and slide the quality until it hits 20KB.
Download & Upload
Save the JPG and upload it to your exam portal. It will be accepted instantly.
Frequently asked questions
Why is my signature blurry at 20KB?
If you don't crop the signature first, the compressor has to compress a lot of empty white paper. Always crop tightly around the signature before compressing to 20KB to keep it sharp.
Is this tool safe for official documents?
Yes. We use HTML5 Canvas to process the image directly inside your web browser. The file is never sent to our servers.
How do I make it exactly 140x60 pixels?
Use our 140x60 Signature Maker tool first to get the exact dimensions, then compress the result to 20KB.
Bharat Kumar G.verified
Technical SEO & Document Processing Expert
Bharat is the founder of ReadyToSubmit. With years of experience in technical web development, he builds privacy-first, client-side tools to help Indian government exam aspirants format their applications accurately and securely without server uploads.