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JavaScript minifier
Compact JavaScript with the Terser parser in an isolated worker.
JavaScript
JavaScript
Browser only
Your input and output are processed in this browser. They are not uploaded for processing. No account is required.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Paste JavaScript source.
- Enable Parse as an ES module when the source uses module syntax.
- Run the tool to review or download the compacted JavaScript without executing it.
Examples
const answer =40+2; →const answer=40+2;
Limitations
At most 100,000 characters and 3 seconds processing.
Does not execute source or prove program correctness.
Compression and identifier mangling are disabled.
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