How to use HTML Minifier
- Paste HTML including inline CSS or JS if needed.
- Toggle aggressive options like comment removal carefully.
- Copy minified output into your template host.
- Test rendering — minifiers can break whitespace-sensitive pre blocks.
Worked examples
Concrete numbers and cases you can check against the tool above.
Email footer
Shrink table-based footer HTML to stay under a provider’s size warning threshold.
When to use HTML Minifier
Every byte counts in inline email and single-file demos. Minification is a safe preview before bundler pipelines.
Common use cases
- Compress newsletter HTML under provider size caps.
- Prepare static landing snippets for CDN upload.
- Compare size before/after template refactors.
- Embed compact HTML in JSON config strings.
Inputs and outputs
- HTML5 markup
- Optional comment and whitespace stripping
Privacy
This tool runs entirely in your browser. Your data never leaves your device — nothing is uploaded to our servers.
Frequently asked questions
- Will minified HTML validate?
- Structure should remain; validation depends on original markup quality.
- Does it obfuscate code?
- It mainly removes whitespace; logic remains readable.
- Can it break inline scripts?
- Avoid removing comments inside scripts that depend on line breaks — test thoroughly.