The UPSC CDS signature must be 400 × 400 pixels (width × height), with a file size between 20 KB and 100 KB, in JPG/JPEG format. Upload your signature in the tool below and it is resized and compressed to exactly this size in one click.
⚡ UPSC CDS Signature Resizer — 400×400px, 20–100 KB● 100% private · in your browser
UPSC CDS Signature Requirements
| Width | 400 px |
|---|---|
| Height | 400 px |
| File size | 20 – 100 KB |
| Format | JPG / JPEG |
| Aspect ratio | 1:1 |
| Print size @200 DPI | 5.08 × 5.08 cm |
UPSC CDS Photo Requirements
| Width | 400 px |
|---|---|
| Height | 400 px |
| File size | 20 – 300 KB |
| Format | JPG / JPEG |
UPSC CDS Signature Guidelines — Do's & Don'ts
✅ Do
- Sign on plain white paper with a black or blue ink pen
- Use your usual full signature — the same one you will sign at the exam centre
- Crop tightly around the signature with a little white margin
- Scan or photograph in good light so the strokes are sharp and dark
❌ Avoid
- Signature in CAPITAL letters (rejected by most bank and SSC exams)
- Pencil, sketch pen or a digital signature drawn on the phone
- Lined or coloured paper, shadows or fingers in the frame
- Signing on the photo or a signature that is too faint to read
How to Resize the UPSC CDS Signature (4 Steps)
- Upload your signature in the tool above (JPG, PNG, HEIC or WEBP, from gallery or camera).
- Crop — the box is locked to the 1:1 ratio required by UPSC CDS. Zoom, rotate or remove the background if needed.
- Process — the signature is resized to 400×400px and compressed into 20–100 KB automatically.
- Download the JPG and upload it on the UPSC CDS application form.
Common reasons the signature upload is rejected
- File is larger than 100 KB or smaller than 20 KB.
- Dimensions are not 400×400px, or the image is stretched.
- Wrong format — PNG, HEIC or PDF instead of JPG.
- Faint, blurred or cut-off signature, or signature in capital letters.
📖 How to scan your signature for online forms · 12 reasons uploads get rejected
Other exams with the same signature size (400×400px, 20–100 KB)
A signature resized here can also be used for:
UPSC CDS Signature Size — FAQs
What is the UPSC CDS signature size in 2026-2027?
The UPSC CDS signature must be 400×400 pixels (width × height) in JPG format, with a file size between 20 KB and 100 KB.
What is the UPSC CDS signature size in KB?
Between 20 KB and 100 KB. Files below 20 KB or above 100 KB are usually rejected by the application portal.
What is the UPSC CDS signature size for 2027?
Use 400×400 pixels, 20–100 KB, JPG — the size in recent UPSC CDS notifications. It rarely changes between years; if the 2027 notification changes it we update this page, and you can edit width, height and KB in the tool.
How do I reduce my UPSC CDS signature to under 100 KB?
Upload it in the free tool on this page. It resizes the image to 400×400px and automatically adjusts JPG quality until the file is inside the 20–100 KB range. No app or sign-up is needed.
My signature is smaller than 20 KB. How do I increase the size?
The tool raises the JPG quality to bring a small file up into the 20–100 KB range without changing the 400×400px dimensions. Start from the original, un-compressed signature for the best result.
How should I sign for the UPSC CDS signature upload?
Sign on white paper with a black or blue ink pen, photograph or scan it in good light, then crop tightly around the signature in the tool. Avoid capital letters and faint pens.
Can I resize the UPSC CDS signature on my mobile phone?
Yes. The tool works in Chrome or Safari on Android and iPhone. Pick the signature from your gallery or camera, crop it, and download the resized JPG straight to your phone.
Is it safe to resize my signature on ILoveExams?
Yes. Your image is processed entirely inside your browser and is never uploaded to any server, so nobody else can see it.
What is the UPSC CDS photo size?
The UPSC CDS photo must be 400×400 pixels, 20–300 KB, JPG. Resize your UPSC CDS photo here.
More UPSC Exams
- UPSC Signature Size
- UPSC IES / ESE Signature Size
- UPSC Geo-Scientist Signature Size
- UPSC CAPF AC Signature Size
- UPSC NDA Signature Size
All UPSC Exams photo & signature sizes → · Full exam size chart 2026-2027 → · Resize any image to 400×400px →
Specifications on this page are compiled from recent official UPSC CDS notifications and checked regularly (last review: September 2026). Always cross-check with the latest official notification before submitting — if the size has changed, you can edit width, height and KB directly in the tool.