JPG, PNG, WEBP — up to 10 images at once, 20MB each
🔒 Your images never leave this device
Compression settings
Quality preset:
Quality:75%
Resize images
×
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Original total
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Compressed total
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Total savings
How it works
01
Upload images
Drag and drop up to 10 images at once. JPG, PNG and WEBP supported.
02
Choose quality
Pick a preset or use the slider to set the exact compression level you need.
03
Compress in browser
All processing happens in your browser using Canvas API. Nothing is uploaded.
04
Download free
Download files individually or all at once. No watermarks, no limits.
🛡️
100% private. All compression runs locally in your browser via JavaScript Canvas API. Your images are never sent to any server. No one can access your files — not even us.
Frequently asked questions
Not visibly in most cases. The compressor uses smart compression algorithms that reduce file size by removing redundant data while preserving the visual appearance of the image. At the default quality setting of 80%, most people cannot tell the difference between the original and compressed version, yet the file size is dramatically smaller.
No. All compression happens entirely in your browser. Your images are processed locally using the JavaScript Canvas API and never leave your device. They are not uploaded to any server, not stored anywhere, and not seen by anyone. This also means compression is instant — there is no waiting for file uploads or server responses.
You can compress JPG, PNG, and WEBP images. These three formats cover the vast majority of images used on the web and in everyday use. The compressor works with photos, screenshots, graphics, and any other content saved in these formats.
Smaller image files load faster, use less bandwidth, and save storage space. For websites and web applications, compressed images directly improve page load speed, which positively impacts user experience and SEO rankings. For everyday use, compressed images are easier to share via email, messaging apps, or cloud storage without hitting file size limits.
It depends on your use case. For web images and social media, 70–80% quality delivers an excellent balance between file size and visual quality. For professional photos that need to remain high-fidelity, 85–90% is recommended. For thumbnails or preview images, 60–70% is typically sufficient. The tool lets you adjust and preview the result before downloading.
There are no limits. You can compress as many images as you need, as many times as you want, completely free. There are no daily quotas, no account requirements, and no paywalls. WorldMerch is built to be used without restrictions.
No. The compressor only reduces the file size — the pixel dimensions of the image remain exactly the same. If you need to resize the image (change its width or height), you can use the Image Resizer tool available on WorldMerch.
Yes. The compressor is fully responsive and works on smartphones and tablets running iOS or Android. Since everything runs in the browser, no app installation is needed — just open the page in your mobile browser and compress your images on the go.