India Post GDS Signature Tool (Adjust + 20–50KB Locked)
If you are applying for India Post GDS Recruitment 2026, one of the most common problems candidates face is:
❌ Signature size error
❌ Incorrect pixel dimensions
❌ File size below 20KB or above 50KB
❌ Upload rejected due to wrong format
To solve this issue, we have created a free India Post GDS Signature Resize Tool that automatically converts your signature to:
✅ 300×120 pixels
✅ 20KB to 50KB file size
✅ JPEG format
✅ White background
✅ 5:2 aspect ratio
📌 India Post GDS Signature Size Requirements 2026
Before uploading your signature, make sure it meets the official specifications:
| Requirement | Details |
|---|---|
| Dimensions | 300 × 120 pixels |
| File Size | 20KB – 50KB |
| Format | JPG / JPEG |
| Background | Plain white |
| Ink Color | Black or Blue |
| Aspect Ratio | 5:2 (Landscape) |
If your signature does not match these requirements, the application form may show an error.
🚨 Common Errors While Uploading GDS Signature
Many candidates see errors like:
- “Invalid Image Dimensions”
- “File size must be between 20KB and 50KB”
- “Signature upload failed”
- “Incorrect format”
These errors usually happen because:
- Signature is too small (below 20KB)
- Signature is too large (above 50KB)
- Image is not exactly 300×120 pixels
- Background is not plain white
🔥 Free India Post GDS Signature Resize Tool (300×120 – 20KB to 50KB)
Our tool automatically:
✔ Crops your signature
✔ Resizes to exact 300×120 pixels
✔ Maintains 5:2 aspect ratio
✔ Ensures file size stays between 20KB and 50KB
✔ Adds smart compression
✔ Automatically adjusts quality
✔ Prevents file size below 20KB
✔ Generates download-ready JPG
This means you do not need Photoshop or any editing software.
🛠 How to Resize India Post GDS Signature (Step-by-Step Guide)
Follow these simple steps:
Step 1: Upload Signature
Click on “Upload Signature” and select your scanned image.
Step 2: Adjust Crop Area
Move and resize the crop box so your signature fills 70–80% of the frame.
Step 3: Click “Crop & Auto Process”
The tool will:
- Convert to 300×120 pixels
- Adjust file size between 20KB–50KB
- Apply smart compression
- Add invisible noise if needed to meet minimum size
Step 4: Download
Click the “Download Signature” button and upload it to your GDS application form.
💡 Why 20KB Minimum Size Is Important?
If your signature is too simple (less ink or large white background), the JPEG compression reduces file size below 20KB.
Our tool automatically adds micro-level invisible adjustments so the file size never goes below 20KB while keeping visual quality intact.
🎯 Benefits of Using This Tool
- 100% Free
- No watermark
- No login required
- Instant processing
- Mobile friendly
- Accurate pixel size
- Automatic file size control
- Safe and secure (processed in browser)
📱 Is This Tool Mobile Friendly?
Yes. You can resize your India Post GDS signature directly from:
- Android phone
- iPhone
- Laptop
- Desktop
No app installation required.
❓ Frequently Asked Questions (FAQ)
Q1: What is the signature size for India Post GDS 2026?
The required size is 300×120 pixels and file size between 20KB to 50KB in JPEG format.
Q2: What happens if my signature is below 20KB?
The system may reject the upload. Our tool automatically ensures it stays above 20KB.
Q3: Can I upload PNG?
Yes, but it will be converted to JPG automatically.
Q4: Can I edit background color?
The background must be plain white as per guidelines.
Q5: Is this tool safe?
Yes. The image is processed directly in your browser and not stored on any server.
🏁 Final Words
Uploading the correct signature size is very important for India Post GDS Recruitment 2026. A small mistake can delay your application.
Instead of struggling with editing software, use this free online tool to:
✔ Resize signature to 300×120
✔ Lock file size between 20KB–50KB
✔ Avoid upload errors
✔ Submit your application confidently