JPG Optimizer
Optimize JPG/JPEG photos with a quality slider and instant size feedback to get the smallest file at the quality you want.
How it works
- 1
Add your images
Drag and drop, paste, or browse. Nothing is uploaded — files are read directly in your browser.
- 2
Choose your options
Set the options for JPG Optimizer and preview the result before you export.
- 3
Process on your device
JPG Optimizer runs locally on a Canvas, so even large batches are handled quickly and privately.
- 4
Download
Save a single file, or grab everything at once as a ZIP.
Common uses
- Compress photos to the smallest file at a quality you pick.
- Trim a hero photo to fit a page-speed budget.
- Batch product shots down for a faster, lighter storefront.
About the JPG Optimizer
Optimize JPG/JPEG photos with a quality slider and instant size feedback to get the smallest file at the quality you want.
JPG Optimizer is part of a free, privacy-first toolkit. Everything is processed locally on a Canvas with high-quality pica resampling — there are no uploads, no quality loss from a server round-trip, and no limits.
Because jpg optimizer works without any sign-up or installation, you can use it as often as you like and it's always available — on desktop or mobile, and even offline.
Explore more image tools, or try Image Resizer · Batch Image Resizer.
Related tools
Related guides
JPG Optimizer — FAQ
75–85% is a good balance for photos — small files with little visible loss. Use a lower value for thumbnails.