Exam Signature & Photo Resizer

Resize signature and passport photo files down to exact 10KB, 20KB, 50KB limits required by Indian government application portals.

Interactive Exam Signature & Photo Resizer
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Formula & Calculation Methodology

Bilinear canvas downsampling and iterative JPEG compression targeting exact KB bounds (10KB - 50KB).

Step-by-Step Worked Example

Original Photo: 2.4 MB (4000x3000 px) | Target: SSC Exam Limit (20KB - 50KB, 200x230 px)

  1. 1. Resize pixel dimensions to 200 x 230 px
  2. 2. Apply iterative JPEG compression quality curve (0.75)
  3. 3. Measure resulting output byte size: 34.2 KB (Within 20KB-50KB range)
  4. 4. Save ready-to-upload exam file
Result: Output: photo_ssc_compliant.jpg (34.2 KB) | Dimension: 200x230 px | Status: 100% SSC/UPSC Portal Ready

How to Resize Photos and Signatures for Govt Exams

Indian government exam portals like SSC (CGL, CHSL, MTS), UPSC, IBPS, SBI, RRB Railways, and NTA (NEET, JEE) require photograph and signature uploads to match exact pixel dimensions and strict file size limits (usually 10KB to 20KB for signatures and 20KB to 50KB for photos).

Frequently Asked Questions

What is the signature file size limit for UPSC?

UPSC portals typically require signature files between 20KB and 300KB in JPG format.

What is the signature file size limit for SSC?

SSC requires scanned signatures in JPEG format between 10KB and 20KB with dimensions of 4.0 cm (width) x 2.0 cm (height).

How can I ensure my photo background is white for exams?

Ensure you shoot in good lighting against a plain white wall or use plain white paper for your signature before cropping.

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