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Central Teacher Eligibility Test · Signature

CTET signature size and resizer

Resize and compress your signature to the official spec. Drop the file below; it's checked against every rule before you download it.

CTET February 2026 information bulletin· verified 5 Oct 2026

Signature

Required

  • Format: JPG
  • Dimensions: 3.5 × 1.5 cm
  • File size: 3–30 KB
  • Background: White

Why signature uploads get rejected

  • The file is bigger than 30 KB. Phone photos are usually 2–5 MB, so they always need compressing.
  • The file is smaller than 3 KB. This happens with small, clean images; we raise the quality first and, if needed, add standard metadata to reach the minimum.
  • The image isn't 3.5 × 1.5 cm. Cropping by hand often leaves it a few pixels off.
  • It's saved as the wrong format: the portal accepts JPG. iPhone HEIC photos and screenshots saved as PNG are common mistakes.
  • The background isn't plain white. A tool can't fix a coloured wall or a shadow; retake it against a white wall in good light.

FAQ

What is the CTET signature size?

The official requirement is: JPG · 3.5 × 1.5 cm · 3–30 KB · white background. Source: CTET February 2026 information bulletin, checked on 5 Oct 2026. Always confirm against the latest notification before you apply.

What if my signature is smaller than 3 KB?

We first raise the quality and resolution within the allowed limits. If it's still under 3 KB, we add standard metadata to the file to reach the minimum. The picture itself doesn't change, and the card tells you when this happened.

Is my signature uploaded anywhere when I resize it here?

No. The resizing and compression run in your browser, on your device. Your file is never uploaded to us or stored.

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