Signature Resize to 10-20KB Online Free – No Upload
Crop, resize, and compress your signature to exactly 10KB or 20KB, with dimensions 3.5x1.5 cm. Works offline in your browser, no signup.
Open Compress Tool
Signature dimensions and KB required by most exam forms.
What is ExamFo's Signature Resize Tool?
Our free tool lets you resize signature to 10KB or 20KB without uploading to any server. It runs completely inside your browser. Most Indian exam forms like SSC, IBPS, UPSC, NEET ask for a signature in JPG format with size between 10KB and 20KB, and dimensions around 3.5 cm x 1.5 cm. This tool crops, resizes, and compresses your signature to meet those exact requirements. You can also set any custom KB target — 10, 15, or 20KB.
A free signature resize and signature resizer for signature resize 10 to 20 kb, signature resize 20kb, and signature resize width and height in cm — also for SSC signature resize, RRB signature resize and PAN card signature resize.
Open Compress ToolHow to Resize Signature to 10KB or 20KB Step by Step
- Open the tool: Click Open Compress Tool (runs in your browser).
- Set signature dimensions: Choose the preset 3.5 cm x 1.5 cm (or enter custom).
- Select your signature image: Pick a clear JPG or PNG of your signature — no upload happens.
- Set target KB: Use the slider to set exactly 10KB or 20KB (or any value in between).
- Download: Once the preview shows the correct size and KB, download the compressed signature.
Signature Specifications for Exam Forms
| Parameter | Details |
|---|---|
| Target file size | 10 KB to 20 KB (commonly) |
| Dimensions | Approx 3.5 cm x 1.5 cm (width x height) |
| Input formats | JPG, JPEG, PNG |
| Output format | JPEG (JPG) recommended |
| Background | White or transparent (tool preserves white bg) |
| Watermark | None |
| Privacy | 100% client-side; no file leaves your device |
⚠️ Important: Always verify the exact signature size and dimensions from your official exam notification. While 10-20KB and 3.5x1.5 cm are standard, some exams may specify slightly different limits.
Why ExamFo for Signature Compression
Complete Privacy
Your signature never leaves your phone or computer. All processing is local.
Exact 10KB or 20KB
Set the slider to precisely 10KB, 15KB, or 20KB. The tool hits the target.
Correct Dimensions
Crop to 3.5x1.5 cm or set custom width/height as per your exam.
White Background
Signature stays on clean white background, meeting exam guidelines.
Batch up to 20 Signatures
Process multiple signatures together, great for multiple exam applications.
Free & No Watermark
No charges, no hidden fees. Your signature downloads without any mark.
Common Problems When Uploading Signatures
- Signature size is 25KB or more, but the form only accepts 10-20KB.
- Signature dimensions are wrong: too wide or too tall, gets rejected.
- JPG signature from a photo is 100KB+, needs drastic compression.
- The background is not pure white, causing form validation error.
- Online tools add a watermark or compress so much the signature becomes unreadable.
- Unable to set a custom KB target like exactly 15KB.
Related Tools for Exam Form Photo & Signature
Frequently Asked Questions
How do I compress a signature to exactly 10KB online free?
Use ExamFo's Compress Tool. Set the slider to 10KB, select your signature JPG, and download. All processing happens in your browser, no upload.
Can I resize signature to 20KB and 3.5cm x 1.5cm together?
Yes. The tool allows you to crop to the required dimensions and then compress to exactly 20KB in one flow.
Is the signature resize tool safe? Does it upload my signature?
100% safe. The tool works completely offline inside your browser. Your signature file never leaves your device.
What should be the signature size in KB for SSC CGL?
SSC CGL typically requires a signature between 10KB and 20KB in JPG format. The tool lets you set any value in that range.
Does the tool work on mobile for signature compression?
Yes, it works on Android and iOS. You can take a picture of your signature or select from gallery, then resize and compress.
Why does my compressed signature look blurred?
If the original image is very small or too compressed, quality may reduce. Try setting the target KB slightly higher, like 18-20KB, for better clarity.
Can I compress a signature in PNG to 10KB?
Yes, you can select a PNG file. The tool will output it as JPG which compresses better, helping you reach 10KB easily.
Does the tool add any watermark on the signature?
No, ExamFo never adds a watermark. Your compressed signature is clean and ready for exam submission.
How to resize signature to 6cm x 2cm?
Enter 6 cm width and 2 cm height (or the equivalent pixels), crop the signature, then set the target KB and download — ideal for SSC signature resize 6cm x 2cm.
What is the SSC CGL signature size?
SSC CGL signature is usually 10-20 KB in JPG, around 6 cm x 2 cm / 3.5 x 1.5 cm. Set these values to get the correct SSC signature size in kb.