Compress to 45KB

Compress any image to exactly 45KB.

Select or drag & drop images

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

Why compress to 45KB?

A 45KB 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 45KB, so your photo stays clear and compliant.

Common portals requiring 45KB: government job portals, exam forms, visa photos, college admissions, HR profiles

Compress Image to Another Size

Need a different image target? Choose another size:

5KB 10KB 15KB 20KB 25KB 30KB 40KB 50KB 100KB 150KB 200KB 300KB 500KB 1000KB 2MB

Key Features

Hit an exact target size of 45 KB with binary-search compression

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

100% browser-based — images never leave your device

Ideal for government portals, job applications, and upload forms

Batch compress multiple images to the same target size

Free, no sign-up, no watermarks

How to Compress an Image to 45 KB

Step-by-step guide to compress any image to exactly 45 KB using ToolsBear free browser-based compressor.

Upload your images

Drag & drop or select the images you want to resize to 45 KB.

Set target to 45 KB

The target size field is already set to 45 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 45 KB?

Enter 45 KB as the Target Size, upload your image, and click Compress. The binary-search algorithm finds the quality setting to hit your target.

Will my image look good at such a small size?

The tool uses the highest possible quality that still fits the target. Very small targets may reduce dimensions automatically to maintain clarity.

Is there a file size limit?

No hard limit. Works with files up to 50MB per image, and you can compress unlimited images in a session.

Can I convert format while compressing?

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

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