Optimize SVG files without uploading them
Shrink SVG markup for the web. Optimization runs locally in your browser, so your graphics never leave your device.
Drop your SVG files here
or choose files — everything is optimized on your device
Files are not uploaded or stored. No signup required.
Private svg optimizeation, by design
Your files stay on your device
There is no upload step. Each svg is read and processed without ever leaving your browser.
No queue, no waiting room
Processing starts the moment you press the button, because nothing has to travel to a server first.
Free, with no account
No signup, no subscription and no watermark.
Works on any modern browser
Nothing to install on Chrome, Edge, Firefox or Safari, on both desktop and mobile.
Basic, Balanced and Heavy Compression
Every level trades size against quality differently. Pick the trade-off that fits how you will share the file.
Gentler settings.
Keeps more detail, so savings are usually smaller.
Default balance.
Usually the largest saving you can take without obvious quality loss.
Most aggressive.
The smallest practical file, with more visible quality loss.
How it works
Choose a svg
Drag a file onto the panel or pick one from your device. It is read locally, not uploaded.
Pick a level
Basic, Balanced or Heavy. Balanced is selected by default.
Download the result
You see the real before and after sizes, then save the file straight to your device.
Frequently asked questions
Are my svgs uploaded to a server?+
No. Lottinier SVG has no backend for file processing. Your file is read by your browser and processed on your device.
Is Lottinier SVG free?+
Yes. There is no account, no subscription and no watermark.
Which formats are supported?+
SVG (.svg) files are accepted as input.
Are my files stored anywhere?+
No. Nothing is written to a server, a database or cloud storage. When you close or reload the tab, every trace of the file is gone.
More Lottinier tools
The same privacy-first approach across the Lottinier product family.