🧑‍💻 Developer

HTML Minifier

Minify HTML by removing comments and whitespace between tags.

Results

Result
Size reduction
34.2%

📊 HTML Minifier chart

Character composition of the result: letters, digits, spaces, punctuation and other symbols.

What is the HTML Minifier?

Minify HTML by removing comments and whitespace between tags. Everyday utilities for developers — encoders, formatters, hashes and generators — that run locally in your browser with standard Web APIs. No data is sent to any server.

HTML Minifier – free online developer tool illustration
HTML Minifier — free, exact and private.

How to use the HTML Minifier

  1. Paste or type your your text into the box (a sample is pre-filled so you can see how it works).
  2. Results update automatically as you type; you can also press Calculate.
  3. Read the output: result, size reduction.
  4. Use the 📊 chart to see the result visually, then copy or share it.

Worked example

With the sample input, the HTML Minifier returns size reduction: 34.2%.

Tips for better results

  • Hashes use the Web Crypto API and match command-line tools such as sha256sum.
  • Never paste production secrets into any website — even client-side tools.
  • Use JSON Validator before JSON Formatter to see precise error positions.

Frequently asked questions

What does the HTML Minifier do?

Minify HTML by removing comments and whitespace between tags.

Can you show an example?

With the sample input, the HTML Minifier returns size reduction: 34.2%.

Is the HTML Minifier accurate?

Yes. It uses standard formulas and exact constants, and the results are verified by our automated test suite. Values are displayed to up to 12 significant digits.

Is this tool free and private?

Yes — the HTML Minifier is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.

Related tools

JavaScript Comment RemoverStrip comments and blank lines from JavaScript safely (strings are preserved).MD5 Hash GeneratorGenerate the MD5 hash of any text (UTF-8).SHA-1 Hash GeneratorGenerate the SHA-1 hash of any text.SHA-256 Hash GeneratorGenerate the SHA-256 hash of any text.SHA-384 Hash GeneratorGenerate the SHA-384 hash of any text.SHA-512 Hash GeneratorGenerate the SHA-512 hash of any text.CRC32 Checksum CalculatorCalculate the CRC-32 checksum of text.Text to Binary ConverterConvert text into 8-bit binary (UTF-8 bytes).

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