What is the CDS photo size in KB?

Check the quick reference table on this page for CDS 2026. Always confirm against the official notification before submitting.

Can I resize on mobile?

Yes. Use Chrome/Safari on Android or iPhone, upload from gallery, download the JPG, and attach it to your form.

Why does output show out of range?

Very small source images may stay under the minimum KB. Use a clearer, higher-resolution original.

CDS — size photo & signature to KB 2026

Compress CDS documents to the KB window below. Need different limits? Open Custom.

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CDS

2 Docs

Photo

Size

20 KB–300 KB

Dim

3.5cm × 4.5cm

Fmt

JPG

Sign

Scan

High-contrast pass enabled for ink signatures

Size

20 KB–300 KB

Dim

3.5cm × 1.5cm

Fmt

JPG

CDS Quick Reference Table 2026

Document	File size	Format	Dimensions
Photo	20 KB–300 KB	JPG	3.5cm × 4.5cm
Sign	20 KB–300 KB	JPG	3.5cm × 1.5cm

Frequently Asked Questions

Yes — SizeToKB is free. No registration. Processing stays in your browser.

Reduce CDS image size & signature size online free

Use this free tool to reduce CDS photo size and reduce CDS signature size to the KB limits in the table above. Aspirants search “CDS photo size”, “CDS signature size”, reduce image size in KB, reduce signature size online, compress image to 50KB, compress signature to 20KB, photo size kam kaise kare, and signature size kam kaise kare before form upload.

Processing stays on your device. After download, upload the JPG to the official CDS portal. Re-check the latest notification — boards may change dimensions and min–max KB.

Reduce to any custom KB Image size reducer All exam presets Disclaimer