Format HTML — Pretty Print, Local | How to use and interpret results
Indent a short HTML fragment using tag boundaries to make its structure easier to read. This is lightweight text formatting rather than a complete browser-style parser.
- Runs in your browser
- Nothing is uploaded
- No signup; device limits apply
Numbers stay on your device. Nothing is sent to a server.
How to use this tool
Paste HTML and compare the formatted output with its source. Inspect scripts, JSX and whitespace-sensitive elements before replacing an entire file.
Results and examples
<div><p>Hi</p></div> produces an indented view of the nested elements. Treat formatted.html as a readable draft and separately check that rendering remains acceptable.
Worked example
<div><p>Hi</p></div> produces an indented view of the nested elements. Treat formatted.html as a readable draft and separately check that rendering remains acceptable.
Limitations
- Malformed markup is not repaired or certified as valid.
- Symbols inside scripts or attributes and whitespace-sensitive content may format unexpectedly.
Fields
| Field | Guidance and constraints |
|---|---|
| HTML | Check the unit and format displayed beside this field. |
Data handling
Processing stays in the current browser tab; the site does not upload tool input for the calculation itself.
Sources
Frequently asked questions
How are nested tags displayed?
Hi produces an indented view of the nested elements. Treat formatted.html as a readable draft and separately check that rendering remains acceptable.
Will formatting repair HTML errors?
Malformed markup is not repaired or certified as valid. Symbols inside scripts or attributes and whitespace-sensitive content may format unexpectedly.
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