RRB Signature Resizer — Free Online Tool
Free online RRB signature resizer. Automatically resize your signature to 350x140 pixels and compress to 20-50KB in JPEG format. Works on mobile. No signup required. 100% browser-based — we never see your photos.
Upload Signature
Drag & drop or tap to browse
JPG, PNG, WebP up to 10MB
Frequently Asked Questions
What is the RRB signature size requirement?
RRB requires signatures to be 350x140 pixels, between 20-50KB in JPEG format.
How do I resize my signature for RRB?
Upload your signature to our free tool. It will automatically resize to 350x140px and compress to 20-50KB. Download and upload directly to the RRB form.
Is this tool free?
Yes, completely free. No signup, no watermark, no limits. Your images are processed in your browser and never uploaded to any server.
Does it work on mobile?
Yes, the tool works on all devices including Android and iPhone. You can even take a photo directly from your camera.
Is my photo safe?
Absolutely. All processing happens locally in your browser. We never see, store, or upload your photos. Your privacy is guaranteed.