Online Image Compressor

Compress JPEG and PNG images to target KB size limits (e.g., 20KB to 50KB) while maintaining quality.

Settings

Min Size (KB)
Max Size (KB)
Brightness 0
Contrast 0

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 15MB)

How to Compress Photos to Specific KB Sizes

Quickly reduce your image file size to meet strict application constraints without losing details.

1. Upload Image

Select any PNG, JPG, or JPEG file. The image is loaded entirely inside your browser sandbox.

2. Set Target KB Limit

Use the slider to define the max size (e.g. 50KB). The optimizer calculates the ideal parameters automatically.

3. Download Optimized File

Review the instant preview of your file size, verify legibility, and download the compressed output instantly.

Premium Image Compression Features

Our engine is specifically coded to maintain strict KB bounds without blurring key visual information.

Exact KB Locking

Specify the exact limit (e.g. under 50KB or 20KB). Our engine guarantees the file size will remain under your limit.

Smart Quality Ratio

Advanced sub-sampling algorithms strip extra data without pixelating or blurring faces or letters.

100% Secure & Local

No files are ever uploaded or saved. All compression is executed in your sandbox browser for total data safety.

WebAssembly Powered

Leverages binary-level native speeds to process mega-resolution images into compressed kilobytes in milliseconds.

Mobile Optimized

Compress documents on-the-go directly from your smartphone's library or camera.

Free Without Restrictions

No watermarks, no registration, and no download limits. A clean tool built for job applicants.

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?

Automatic face verification checks require specific image data structures. If files are too large, they delay server processing. Conversely, if files are compressed using low-grade tools, the artifacts can render facial structures unrecognizable.

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

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.