2 free svg tools that run in your browser. No account, no uploads, no watermarks.
SVG files are code as much as they are images, and exports from design software are usually far larger than they need to be. These tools clean them up and convert them, on your own device.
Design tools embed editor metadata, hidden layers and excessive decimal precision. Optimising typically removes a large share of the file with no visible change.
The optimiser preserves rendering. If your SVG is animated or scripted, check the result — ids and classes referenced from outside the file can be affected.
Yes, at whatever resolution you choose, rendered by your browser on your device.
No. The file is read and written in the page.