What Compress JPG does
Compress JPG reduces image file size while preserving visible quality in the browser.
- Smaller files
How do I compress JPG images?
Compress JPG images by uploading your file; the tool reduces the file size while keeping the image looking sharp and lets you download the smaller version. It runs in your browser, so nothing is uploaded.
- Shrink JPG images fast
- Adjustable quality vs size
- Keeps visible quality high
- 100% client-side
What is
Compress JPG
A tool that reduces the file size of JPG images directly in the browser using canvas re-encoding.
Image Tools
Related terms
compress imagereduce size
Frequently Asked Questions
Often a lot.
Compression can cut file size dramatically with little visible change, depending on the image.
Barely, if at all.
Compression is tuned to keep the image visually sharp while removing redundant data.
No.
Compression runs locally with the Canvas API in your browser.
Detailed Explanation
How it works
The image is drawn to a canvas and re-encoded at a chosen quality.
- Canvas re-encoding
Use cases
Speed up websites, fit email limits and save storage.
- Upload limits and speed
Limitations
Very aggressive compression can introduce artefacts; the tool balances size against quality but cannot add detail back.
- Artefacts if over-compressed
Privacy
Everything is processed in your browser with canvas; your images are never uploaded to a server.
- 100% local
- No upload