Compress Image

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

Select or drag & drop images

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

Compress Image to a Specific Size

Need to hit an exact portal limit? Choose your target size:

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

Key Features

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

Reduce image file size up to 80% without visible quality loss

100% browser-based — images never leave your device

Binary search algorithm for exact target-size compression

Batch compress multiple images, download as ZIP

Free, no sign-up, no watermarks, no file size limits

How to Compress an Image Online

Step-by-step guide to reduce image file size using ToolsBear free browser-based compressor.

Upload your images

Click "Select or drag & drop images" and choose one or multiple image files. Supports JPG, PNG, WebP, GIF, SVG, HEIC and more.

Choose compression mode

Use the Quality slider (1–100%) for general compression, or enter a Target Size in KB to hit an exact file size for government portals or forms.

Select output format (optional)

Optionally convert to JPEG, PNG, or WebP while compressing. WebP gives the best compression ratio for web images.

Compress and download

Click COMPRESS Image. Download individual files or click Download All as ZIP for batch results.

Frequently Asked Questions

How does ToolsBear image compressor work?

All compression runs in your browser using the HTML5 Canvas API. Images are re-encoded at an optimised quality level — no upload to any server.

What image formats are supported?

JPG/JPEG, PNG, WebP, GIF, BMP, TIFF, SVG, HEIC, HEIF, AVIF, ICO, JFIF, APNG and more.

What is Target Size compression?

Enter a KB value and our binary-search algorithm automatically finds the exact quality setting to hit your target — used for government portals, job applications and forms.

Is there a file size limit?

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

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