Signature Resizer — Resize Signature for Online Applications
Prepare clean, correctly sized signature images for official online applications and government portals locally without server uploads.
Upload Your Signature
Select or drop your signature photo (JPEG, PNG, or WebP) taken with a phone or camera.
Supported Application Presets
UPSC Signature
Official UPSC guidance specifies file size constraints between 20 KB and 300 KB in JPG format.
IBPS Signature
Preferred 140×60 pixels for bank PO and clerk applications. Note: IBPS guidance specifies mobile phone photo signatures may be rejected.
SSC Signature
Official SSC notices specify physical signature dimensions of approximately 6×2 cm (60×20 mm) in JPEG format.
Signature Preparation Guidelines
1. Sign on white paper
Use a dark black or blue ink pen on clean, unlined white paper for maximum contrast.
2. Capture under good light
Take a clear, non-blurry photograph in bright, even lighting to avoid heavy shadows across the paper.
3. Clean background
Use the threshold slider in our tool to automatically remove paper grey tones and shadows.
4. Crop & fit
The tool automatically crops the ink bounds and fits the signature to your target dimensions without stretching.
100% Local & Private Browser Processing
Your signature photograph is processed strictly inside your local browser memory using client-side JavaScript. Signature images are never uploaded to any cloud server, database, or external service.
Frequently Asked Questions
- How do I resize my signature for UPSC or SSC online applications?
- Upload your signature photo, select the UPSC or SSC preset, adjust the target pixel dimensions if needed, enable background cleaning, and download the processed signature.
- Does this signature resizer remove paper background shadows?
- Yes. The tool includes deterministic threshold-based background cleaning that converts grey paper tones and shadows into solid white or transparent output.
- Is my uploaded signature private and secure?
- Yes. Processing takes place 100% locally in your web browser. Your signature image is never sent across the internet or stored anywhere outside your device.
- Why do some application portals reject mobile-photographed signatures?
- Some institutions (such as IBPS) explicitly prohibit mobile-captured signatures if shadows or uneven angles degrade clarity. Using bright lighting and threshold cleaning helps satisfy visual quality standards.
- Can I export my signature with a transparent background?
- Yes. You can switch the background mode to Transparent Output and export in PNG format if your application workflow requires a transparent signature graphic.