ImgBunny

JPG Compressor

Compress JPG Online

Reduce JPEG file sizes by up to 80% with no visible quality loss — directly in your browser. No uploads, no registration, completely private.

Start Compressing →

How to Compress JPG Images Online

1

Upload your JPG

Drag and drop your JPEG files or click to browse. Supports up to 10 files at once.

2

Set quality level

Choose a quality preset or drag the slider. Default 85% gives the best size vs. quality balance.

3

Compress & download

Click Compress — your optimized JPG files are ready to download instantly.

Frequently Asked Questions

Does compressing JPG reduce quality?

ImgBunny uses advanced compression algorithms that remove invisible data while preserving visual quality. At 80–90% quality, the human eye cannot distinguish the difference.

Is there a file size limit?

Each file can be up to 25 MB. You can compress up to 10 JPG files in one batch.

Are my images uploaded to a server?

No. ImgBunny processes all images entirely in your browser using WebAssembly. Your files never leave your device.

What is the best quality setting for JPG compression?

For most use cases, 80–85% quality reduces file size by 60–75% with no visible difference. For web thumbnails, 70% is often sufficient.