Image Compressor · Complete guide
How to use the Image Compressor
Compress images in your browser with live quality control. No signup, no watermark, no upload.
What does the Image Compressor do?
Compress images in your browser with live quality control. No signup, no watermark, no upload.
It's part of the MagicBG toolbox— a suite of free, browser-based utilities that never upload your files anywhere.
Why use this tool?
- Faster website and store page loads
- Better Core Web Vitals and SEO scores
- Smaller email attachments
How it works
- 1
Drop an image up to 25 MB.
- 2
Pick WebP or JPG output and drag the quality slider.
- 3
Download the compressed file and compare its size with the original.
Features
- WebP and JPG output
- Adjustable quality slider with live size preview
- Handles files up to 25 MB
- Runs 100% in your browser
Best use cases
- Compressing product photos before uploading to a marketplace
- Optimizing hero images for a website
- Reducing image weight in newsletters
Pro tips for the best results
- 70–80% quality is usually indistinguishable from the original.
- WebP wins on file size; JPG wins on compatibility.
- Compress after resizing, not before.
Frequently asked questions
How much smaller will my images be?
The reduction depends on the source image, output format and quality setting. Use the live size preview to compare the result with the original.
Is there a file size limit?
Yes — 25 MB per image, to keep memory usage safe on mobile devices.
Ready to try the image compressor?
Free, private, no signup. Runs in your browser — your files never leave your device.
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