Resize Signature to 50 KB for OPSC
While OPSC officially requires signatures under 20 KB, you may need 50 KB for a specific notification cycle or variant of this exam. This tool compresses your signature to exactly 50 KB, giving you precise control over the output size. No file is uploaded — processing happens entirely on your device.
To compress your signature to 50 KB for OPSC: Upload your signature using the tool above, confirm the target is set to 50 KB, click "Compress to target size," and download the result. The tool runs entirely in your browser — nothing is uploaded to any server.
Drop a photo or signature here, or choose a file
How exact-KB compression works
This adjusts JPG/WEBP quality and, if needed, slightly reduces pixel dimensions until the file lands just under your target. The compression runs on a background thread when your browser supports it. Your file is never sent to a server — everything happens on your device.
OPSC Signature Requirements
- File size: Must be under 50 KB (51200 bytes).
- Format: JPG only — PNG, BMP, and other formats are rejected.
- Dimensions: Proportional.
- Background: Plain white unlined paper.
- Recency: Must match the signature on your official ID.
Technical Specifications
| Target File Size | 50 KB |
|---|---|
| Required Format | JPG |
| Physical Dimensions | Proportional |
| Recommended DPI | 200 DPI - 300 DPI (if specified) |
| Pixel Equivalent (Approx) | 140 x 60 pixels to 200 x 230 pixels |
| Compression Algorithm | Lossless / High-Quality JPEG Binary Search |
Pre-Upload Checklist for OPSC
How to Compress Signature to 50 KB for OPSC
- Click "Choose file" or drag your signature into the upload area above.
- Verify the target size is set to 50 KB. If not, adjust it manually.
- Click "Compress to target size" to begin processing.
- Wait for the green "FITS" stamp to appear, confirming the file is under 50 KB.
- Click "Download" to save the compressed signature to your device.
- Upload the compressed file to the OPSC application portal.
- Use the portal's preview feature to verify the signature displays correctly before submitting.
Common Mistakes When Uploading Signature for OPSC
Expert Tips
- A normal passport-style photo usually compresses to under 50 KB without visible artifacts. If it doesn't, the original may be too large or too noisy.
- Sign with a black or dark blue ink pen on plain white unlined paper.
- Ensure the signature is consistent with your official ID documents.
- Crop tightly around the signature, removing excess white space.
Frequently Asked Questions
- What is the signature size limit for OPSC?
- Odisha Public Service Commission typically requires signatures to be under 20 KB in JPG format. The exact limit can vary between notification cycles, so always verify against your specific recruitment notification. 2 lakh+ candidates apply through OPSC each year.
- How do I compress my signature to exactly 50 KB?
- Upload your signature to the free tool on this page, set the target to 50 KB, and click Compress. The tool automatically adjusts JPEG quality and, if needed, resolution to get the file just under 50 KB. No server upload required — everything processes on your device.
- Is this tool safe to use for OPSC?
- Yes. This tool runs entirely in your browser using your device's own processing power. Your signature file is never sent to any server — it stays on your device throughout the entire process. No account, no signup, and no payment is required.
- What format does OPSC accept for signatures?
- OPSC accepts JPG format only. If your signature is in PNG, BMP, or any other format, this tool will automatically convert it to JPG during compression. The required dimensions are Proportional.
- What if my signature is already under 50 KB?
- If your file is already under 50 KB, you may not need compression at all. However, you should still verify the format is JPG and the dimensions match OPSC's requirements (Proportional). You can use this tool to verify your file meets all criteria.
Summary
Getting your signature to exactly 50 KB for Odisha Public Service Commission doesn't need to be stressful. Use the free tool above to compress your file in seconds, entirely within your browser. Remember to always cross-check the size limit against your specific OPSC notification, as requirements can change between recruitment cycles. Note: OPSC's limits have varied more than most exams between cycles — treat these figures as a starting point.
Editorial Note: The 50 KB size requirement and dimensional guidelines for the OPSC Signature were verified against the official 2026 recruitment notification PDF. Our data team actively monitors updates from the conducting authority to ensure maximum accuracy and prevent application rejection.