SVG minifier
Produce the smallest safe SVG, with all formatting stripped.
Processed in your browser. This file is converted on your device and is never uploaded.
Converter
.svg up to 50 MB. You can also drag a file here.
No file selected.
About this tool
The smallest the file can safely be: editor metadata, comments, empty groups, and unused ids removed, coordinates rounded to one decimal place, and every byte of indentation stripped.
This is what you want for an icon that ships inside a page or a stylesheet, where the file is never read by a person again.
Supported formats and limits
- Input
- .svg
- Output
- .svg (image/svg+xml)
- Output name
- The original name with -min, for example logo.svg becomes logo-min.svg.
- File size limit
- 50 MB
- Processing
- In your browser. The file is not uploaded.
How to use it
- Choose a .svg file, or paste the markup.
- Select Convert, then download it.
Limitations
- The output is deliberately unreadable. Keep your original if you will need to edit it.
- One decimal place is coarse. On a large canvas a shape can shift visibly, so check the result before using it at size.
- Unused ids are always removed, which breaks any external CSS or JavaScript that targets them. Use the optimizer if you need to keep them.
- Scripts, event handlers, and external references are removed. That is a security measure, not an optimization.
- Path data is rounded but not restructured.
Common problems
The file was refused before anything started.
SVG minifier checks the extension before it reads a byte, and it accepts .svg. Browsers report file types inconsistently enough that the extension is what decides.
Rename the file if the extension is simply wrong, or convert it to one of those first. A file whose extension does not match its contents is refused for the same reason, and that one needs converting rather than renaming.
It said the file was too large.
The limit here is 50 MB. It is not a policy but a measurement: everything runs on your own device, and past that size a phone runs out of memory rather than finishing slowly.
Split the file, reduce it before converting, or use a desktop program for that one. A machine with more memory will manage more, but the limit does not know which machine it is on.
I selected several files and only one converted.
This tool takes one file at a time. Doing several at once would multiply the memory in use, which is the thing most likely to fail on a phone.
Convert them one after another. Nothing is kept between them, so there is no state to reset.
The tab reloaded itself part-way through.
The browser ran out of memory and restarted the page. At sizes approaching 50 MB this is the failure a phone hits first, and it looks like a crash rather than an error.
Try a smaller file, close other tabs, or run it on a computer. Nothing was uploaded or lost — the original file is untouched on your device.
The result opened in the wrong program.
The output is a .svg file, and your system opens that extension with whatever it was told to. Nothing about the conversion decides it.
Open it from inside the program you want, or change the default for .svg in your system settings. The file itself is correct.
Frequently asked questions
- Is my file uploaded?
- No. Everything runs in your browser and the file never leaves your device.
- When should I use this instead of the optimizer?
- When nobody will read the file again: an icon inlined into a page, a sprite sheet, or anything shipped to a browser. Use the optimizer when the file stays in a repository.
- Is it safe to inline the result into my HTML?
- Safer than the original, because scripts and external references have been removed. Inlining SVG from an untrusted source is still worth avoiding on principle.
- How much smaller does an SVG usually get?
- It depends entirely on where the file came from. An SVG exported by a design tool carries editor metadata, generous coordinate precision and indentation, and can lose half its size or more. One that was already hand-written and tight may lose almost nothing, because there was nothing to remove. The result is shown next to the original either way, so you can judge before downloading.
- Do I need to install anything or create an account to use SVG minifier?
- No, to all of it. SVG minifier runs inside the browser you already have, with no sign-up, no download, no watermark on the result, and no cap on how many files you convert. There is nothing to uninstall afterwards either, because nothing was installed.
- Does SVG minifier work offline?
- Once the page has loaded, yes. The conversion runs on your device, so it needs no connection to do the work. The first visit fetches the page and the code that does the converting; after that a lost connection stops nothing, and a converted file appears exactly as it would online.
- How large a file can SVG minifier handle?
- The limit is 50 MB. It is a deliberate one rather than a technical ceiling: the real constraint is memory, and a file that decodes to more than the device can hold fails in a way that is hard to explain. Phones run out well before laptops do, which is why the limit is set where it is.
- Can I convert several files at once with SVG minifier?
- Not here: this tool takes one file at a time, because what it does depends on choices you make about that particular file. Convert them one after another, or look at the batch converters in the same category, which are built for a folder at a time.