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UPSC Photo Resizer & Compressor (20 KB to 300 KB)

Resize candidate photo for UPSC CSE, NDA, CDS online application portal to compliant 20KB-300KB file size with official aspect ratio.

or drop files here
Bulk Batch: Up to 5 files simultaneously

Files stay private. Processed 100% locally in your browser.

Free service for documents up to 25 MB.

Terms of Use and Privacy Policy

Official Notification Guidelines: UPSC Civil Services / NDA / CDS

Directly cross-referenced with latest portal instructions

Allowed File Size
20 KB to 300 KB (Max 300 KB)
Pre-set in tool above
Dimensions / Ratio
Min 350 × 350 px, Max 1000 × 1000 px
Standard passport ratio
File Format
JPG / JPEG
JPEG / JPG compliant
Background Color
Plain white or light grey background
Note: Ensure photo shows 3/4th full face and name/date of photo if specified in notification.

Other Govt Exam & Admission Resizers

SSC CGL / CHSL / MTS / GD
Target: 50 KB • photo
SSC CGL / CHSL / MTS Signature
Target: 20 KB • signature
UPSC Signature Resizer
Target: 50 KB • signature
GATE / NEET / JEE Main
Target: 100 KB • photo
IBPS / SBI PO & Clerk
Target: 50 KB • photo

How To Compress Image to KB Online For Free

Compress images down to an exact specified size threshold such as 20KB, 50KB, 100KB, or 200KB. Processed 100% locally and privately in your browser with zero server uploads and zero ads.

1. Select Your Image

Upload any JPG, PNG, or WebP photo or signature from your phone or PC.

2. Set Target Size (e.g. 20KB, 50KB, 100KB)

Pick a standard preset or type your exact required file size in KB.

3. Download Exact KB Photo

Our binary search compressor ensures the final file is strictly under your target limit with maximum pixel clarity.

Why Choose DocTool Image Compressor to KB?

Built for speed, client-side privacy, and flawless document output with zero ads and zero watermarks.

100% Client-Side Private

Files process directly in your browser using WebAssembly. Your documents never touch external servers or cloud databases.

Zero Watermark Added

Export clean, professional, publication-ready files without any stamps, logos, or forced branding.

Instant Processing with Zero Queue

Instant optimization and editing with zero queue times, zero server latency, and batch processing support.

100% Free Forever with Zero Popups

No account registration, no credit card, and zero intrusive ads. Enjoy uninterrupted productivity on any device.

Frequently Asked Questions

Everything you need to know about using Image Compressor to KB on DocTool.

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