Online Image Compressor

Compress JPG, PNG, and WebP images to your specified file size in KB while keeping sharpness intact.

Settings

Target File Size

Min Size (KB)

Max Size (KB)

Output Format

Image Adjustments

Brightness0

Contrast0

Privacy First: All image resizing and compression happens locally in your browser. No files are uploaded to any server.

Upload Image

Drag & drop or click to upload
Supports JPG, PNG, WEBP, HEIC (Max 10MB)

How to Compress Images Online

Compress pictures to your target KB range with three quick steps.

1. Select Photo

Select or drop your photo into the tool. We process files completely offline in your browser.

2. Pick KB Target

Choose your required target range, like 20KB - 50KB or 50KB - 100KB, to meet official portal constraints.

3. Download

The compressor intelligently finds the best compression ratio and saves your compliant image instantly.

Smart, Lossless-Quality Compression Engine

Packed with features designed for exam aspirants and professionals.

Accurate KB Control

Binary iterative compression matches your target file size limits with extreme precision.

High Resolution Retention

Reduces file weight while maintaining facial clarity and high visual sharpness for verification.

100% Private Processing

Files are processed in your device's memory. No uploads, no telemetry, and complete data safety.

Blazing Fast Speed

WASM algorithms ensure instant compression without waiting in online server queues.

Mobile Friendly

Seamlessly upload directly from iPhone and Android galleries or cameras without software installation.

No Fees, No Accounts

Full tool features available for free. No credit card, no registration, and no subscriptions.

Understanding Image Sizing Guidelines

When applying for examinations like SSC (Staff Selection Commission), UPSC, Banking (IBPS, SBI), or entrance tests like NEET, the portal checks the file size of your uploaded photos. If your file size exceeds 50 KB, or is below 20 KB, the automated parser rejects the file, prompting an error.

Why Do Portals Require Small KB Sizes?

Check the file-size requirements in your application instructions. Excessive compression can obscure facial details, so review the processed image before submitting.

Standard Size Ranges Table

Refer to the standard file limits for major portals below:

Document Type	Standard KB Limits	Recommended Format
Passport Photograph (SSC/Banking)	20 KB - 50 KB	JPG / JPEG
Passport Photograph (UPSC)	20 KB - 300 KB	JPG / JPEG
Scanned Signature (SSC/Banking)	10 KB - 20 KB	JPG / JPEG
Postcard Size Photo (NEET)	10 KB - 200 KB	JPG / JPEG

Need exact pixel dimensions or centimeter cropping?

Use our online photo resizer to crop and resize photos to exact pixels (px), cm, or mm with custom KB limits.

Photo & Image Resizer →

Frequently Asked Questions about Photo Compression

Quick answers to help you compress files perfectly.

How do I compress an image to exactly 20KB or 50KB?

Simply upload your image to our tool, select your target file size limits using the sliders (e.g. set the maximum KB slider to 50KB or 20KB), and hit the Download button. The tool automatically computes the optimal compression percentage to fit your file size requirement.

Will compressing my photo make it look blurry?

No. Our compression engine is fine-tuned to balance size and quality. It removes non-essential metadata and optimizes color layouts while keeping facial contours and lines sharp. This prevents the blurry look that standard converters yield.

Can I convert PNG to JPG while compressing?

Yes, our tool supports on-the-fly format conversion. You can upload any PNG, WebP, or JPG image and select 'JPG' as your output format. The compressor will convert and compress it simultaneously.

How does local, client-side compression protect my privacy?

Unlike other websites that upload your personal documents to a remote cloud server for processing, ExamMint Resizer performs all calculations locally on your device using WebAssembly. Your photos are never stored or transmitted over the internet.

Why do government exam portals have strict file size limits like 50KB?

Application systems handle millions of candidates. Enforcing small file limits (like 20KB to 50KB) ensures rapid form submission speeds, prevents database crashes, and ensures compliance with automatic biometric face verification algorithms.