Calculator
What the HTML Minifier does
HTML Minifier: formats Status and Output from HTML Input. Example: the sample loaded on the page gives status Minified.
The HTML Minifier turns HTML Input into Status and Output. Change any input and the output follows immediately.
Pasting a production payload into an unknown web tool is a real risk, which is why this one stays local. That is usually what brings engineers checking an encoding here.
The parsing happens in your browser, so sensitive payloads never leave your machine.
Everything needed to verify a result is further down: the fields, the method and one fully worked example.
What do the HTML Minifier fields mean?
The HTML Minifier uses 1 input. None of the boxes start empty. The page loads with a worked set of values you can edit or replace.
| Field | What to enter | Default |
|---|---|---|
| HTML Input | paste or type any amount of text | <div class="card"> <h1>Hello</h1> </div> |
How does the HTML Minifier work?
Each output is derived from the inputs above in a single pass; there is no hidden state carried between runs, so the same inputs always give the same formatted output.
Each field is verified before use; failures are reported explicitly rather than swallowed.
Worked example
These are the values the HTML Minifier loads by default, and the result it produces from them. Open the tool above and you will find precisely these figures already in place.
| HTML Input | <div class="card"> <h1>Hello</h1> </div> |
|---|
| Status | Minified |
|---|---|
| Output | <div class="card"> <h1>Hello</h1> </div> |
How to use it
- Paste your content into HTML Input.
- It runs on every change, so there is no moment where the screen is out of date.
- Read Status and Output in the results panel.
- Use Copy Link if you want the same setup again later, or Print for a paper copy.
What this tool does not do
- Processing happens in your browser, so extremely large inputs are bounded by available memory.
- Output follows the common convention for this format; a specific toolchain may have its own house style.
- Comparisons across tools can differ where each uses a slightly different definition.
Frequently asked questions
Only HTML Input. Each field is pre-filled with a sensible default, so nothing is mandatory before you see a result.
With the values loaded when the page opens, status comes out as Minified. Nudge one field at a time to see which one the answer is most sensitive to.
No. There is no account, no session and no storage. The values exist only while the tab is open.
Free for any use, personal or commercial.
It is accurate to the method shown. Rounding only affects what is displayed, never what is computed.