HTML Minifier
Remove comments and whitespace from HTML.
Use HTML Minifier to shrink code or markup before you ship it, so pages and payloads load faster. It's a free, in-browser way to trim snippets for bundles, emails and API responses without wiring up a build step.
About HTML Minifier
Shipping code or markup and want it leaner? HTML Minifier remove comments and whitespace from HTML so your payloads download and parse faster. Paste your source, get a smaller version that behaves identically, and drop it straight into your bundle, email template or API response. Like every ToolJolt utility it runs 100% in your browser — no sign-up, no upload, and nothing ever sent to a server, so it's safe for proprietary code and confidential data.
How to use HTML Minifier
- 1Paste your source into the input panel.
- 2The minified (or formatted) output is produced instantly.
- 3Copy the result into your build, response or snippet.
- 4Re-run any time — it's free and unlimited.
Why use HTML Minifier?
- ✓Shrinks payloads to load and transfer faster
- ✓Safely preserves strings and literals
- ✓One-click copy of the optimised output
- ✓Great for embedding code or trimming responses
Frequently asked questions
Is HTML Minifier safe to use on production code?+
It's a conservative, structure-preserving tool that won't corrupt string or template literals. For maximum compression in a real pipeline, pair it with a dedicated bundler — this is perfect for quick, ad-hoc trimming.
Will minifying change how my code behaves?+
No. HTML Minifier only removes comments and redundant whitespace; the meaning of the document stays identical. Output simply transfers and parses faster.
Is HTML Minifier free?+
Yes. HTML Minifier is completely free with no sign-up, no account, no usage limits and no watermarks. Use it as often as you like.
Does HTML Minifier send my data to a server?+
No. HTML Minifier runs entirely in your browser with JavaScript — your input never leaves your device, which makes it safe for private API payloads, schemas and source code.
Embed HTML Minifier on your website
Want HTML Minifieron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.
<iframe src="https://tooljolt.com/tools/html-minifier" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px;max-width:680px" title="HTML Minifier — ToolJolt" loading="lazy"></iframe>