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DEVELOPER BENCH
Use a local quote-aware lexer to compact common JavaScript source while preserving quoted strings and reporting unsupported unterminated comments or strings.
WHAT THIS DOES
Runs entirely in your browser.
/tools/js-minifierjs-minifierv4.0.0LOCAL · LOCAL RUNIMPLEMENTED — This workbench is functional in the current release.Presets for this workbench
No preset yet. A preset stores the values in this form — never the result — and only for workbenches that run entirely in your browser.
Collections
Saved on this device only. Turn on sync to carry them to another device.
BATCH / ONE VALUE PER LINE
Up to 200 lines, one at a time, in this browser. Each line takes the place of javascript and everything else stays as you set it. Nothing is uploaded, and the row limit is not exceeded silently.
METHOD / LOCAL RUN
A local lexical pass preserves strings, template literals, and escapes while removing line/block comments and selected optional whitespace.
Boundary: This is not a JavaScript parser, bundler, optimizer, transpiler, security review, or guarantee for every regex literal or advanced syntax pattern. The source never executes.
The calculation or transformation runs in your browser using the values entered above. No input is sent to UtilityForge for this tool.
EXAMPLES / LOCAL RUN FIXTURES
FAQ
This is not a JavaScript parser, bundler, optimizer, transpiler, security review, or guarantee for every regex literal or advanced syntax pattern. The source never executes.
No. This published tool runs locally in your browser. UtilityForge does not send the values entered in this workbench to a server.
No. This workbench runs in the page: JavaScript input are read by the code your browser already downloaded, and UtilityForge receives neither the values nor the result.
Yes, and it is enforced rather than advertised: JavaScript input (100,000 characters). The limit is a browser input limit on a tool that runs on this device, so nothing is truncated after being sent anywhere.
RELATED TOOLS
LOCAL — Runs entirely in your browser.
COMMON USE CASES / SOURCE NOTE
Last reviewed:
Source information: Conservative local source lexer; JavaScript is never executed, fetched, linted, bundled, or analyzed by a remote service.