How to Compress a JPG Image Online for Free
Compress JPEG photos and images online for free in seconds. Compression runs entirely in your browser — your JPG files are never uploaded to any server. Reduce JPG file size by up to 90% with three quality levels, then download your compressed image instantly.
No upload — compression runs entirely in your browser. Files never leave your device.
Compress your JPG for free — no upload, no sign-up, instant results.
Compress JPG FreeHow to compress a JPG image online
- Click "Compress Image" and select your JPG or JPEG file (up to 50 MB)
- Choose a compression level: Low (~70% smaller), Medium (~85% smaller), or High (~90% smaller)
- Download your compressed JPG instantly — no sign-up required
Understanding JPEG compression quality levels
- Low (85% quality) — The quality loss is nearly invisible at normal screen sizes. Ideal for archiving, professional use, and when quality matters most.
- Medium (60% quality) — Excellent for web pages, social media, and email. Sharp colours, clear text, significantly smaller file.
- High (35% quality) — Maximum reduction for when file size is the priority. Some visible softness on detailed areas.
Why choose browser-based JPG compression?
When you upload a JPEG to a server for compression, you're handing your photo to a third party. CompressFiles never receives your image. Compression is performed locally using the browser's Canvas API — the same technology used by professional image editing tools. The result is equivalent quality to desktop software like Photoshop at the same quality setting, with zero privacy risk.
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