Compress to 5KB

Compress any image to exactly 5KB.

Select or drag & drop images

JPG, PNG, WebP, GIF, BMP, TIFF, SVG, HEIC, AVIF, ICO • Up to 50MB

Why compress to 5KB?

A 5KB image limit is required by many government portals, job application forms, college admissions, and online upload systems. ToolsBear uses a binary-search algorithm to find the best possible quality that fits exactly 5KB, so your photo stays clear and compliant.

Common portals requiring 5KB: government job portals, exam forms, visa photos, college admissions, HR profiles

Compress Image to Another Size

Need a different image target? Choose another size:

10KB 15KB 20KB 25KB 30KB 40KB 50KB 100KB 150KB 200KB 300KB 500KB 1000KB

Key Features

Hit an exact target size of 5 KB with binary-search compression

Supports JPG, PNG, WebP, GIF, BMP, TIFF, SVG, HEIC, AVIF, ICO

100% browser-based — images never leave your device

Sized for signature and stamp scans for application portals with very tight caps

Best for line art like signatures — photographs lose most of their detail at this size

Free, no sign-up, no watermarks

How to Compress an Image to 5 KB

Step-by-step guide to compress any image to exactly 5 KB using ToolsBear free browser-based compressor.

Upload your images

Drag & drop or select the images you want to resize to 5 KB.

Set target to 5 KB

The target size field is already set to 5 KB. You can leave it as is or adjust it.

Choose output format

Optionally convert to JPEG, PNG or WebP for the best size/quality balance.

Compress and download

Click COMPRESS and download your images individually or as a ZIP.

Frequently Asked Questions

How do I compress an image to exactly 5 KB?

Enter 5 KB as the Target Size, upload your image, and click Compress. The binary-search algorithm finds the quality setting to hit your target.

What is a 5 KB image typically used for?

Most visitors need it for signature and stamp scans for application portals with very tight caps — forms and portals often state an exact ceiling, and this page sets that target for you automatically.

Will a scanned signature stay readable at 5 KB?

Usually yes. Signatures are high-contrast line art, which compresses far better than photos, so the strokes survive at very small sizes. A detailed photo at 5 KB will not.

Can I convert format while compressing?

Yes. You can output JPEG, PNG or WebP while compressing to the target size.

Related Tools

Compress Image

Reduce file size of JPG, PNG, SVG, GIFs while maintaining quality.

JPG/JPEG Compressor

Compress JPG and JPEG images without losing quality.

PNG Compressor

Compress PNG images with transparency support.

WebP Compressor

Compress WebP images for faster web loading.

GIF Compressor

Reduce GIF file size while preserving animation.

BMP Compressor

Compress BMP bitmap images efficiently.