HTML Minifier and Formatter input is rejected
The source data may be incomplete, malformed, or different from the format this tool expects.
Check the input hint, try a small sample first, and correct the source file before running the full job.
Use this tool
Prepare the input and run the tool
Paste an HTML snippet. Result: Copy formatted or minified HTML and review output size savings.
Ready. Paste HTML and choose a mode.
Processed HTML appears here.
Data handling: Files and pasted data are processed in this browser session.
Tool guide
How to use HTML Minifier and Formatter
Use HTML Minifier when you need to check, convert, or prepare a file before using it in another app. Review the result before downloading or copying it.
What this tool does
Format messy HTML for review or minify snippets before pasting them into templates, CMS blocks, emails, or test pages.
- Input
- Paste an HTML snippet
- Output
- Copy formatted or minified HTML and review output size savings
Tool advantages
- Runs in this page; the file or pasted data is not sent to a new app.
- Keeps the preview, report, and download in the same screen.
- Gives you a report you can use as a cleanup list.
Step-by-step usage guide
- 1Paste an HTML snippet.
- 2Choose format or minify mode.
- 3Copy the output or download it as an HTML file.
Common errors and fixes
HTML Minifier and Formatter result looks incomplete
The preview can only use the rows, files, or fields provided in the current browser session.
Confirm that the full source was pasted or selected, then rerun the tool and review the output before downloading.
HTML Minifier and Formatter output needs extra cleanup
Some destination systems have rules that are stricter than a browser-local utility can infer.
Use the report as a cleanup checklist and verify the final file in the app where it will be imported or shared.
When to use HTML Minifier and Formatter
- You are checking files before an upload, import, share, or delivery.
- You want to confirm the result before sending it to another system.
- You need a copied result, downloaded file, or report that can be reviewed outside the page.
FAQ
Is this a full browser HTML parser?
It is a practical snippet formatter and minifier for common HTML blocks. Always review output before using it in production templates.
Can it remove comments?
Yes. Turn on comment removal before formatting or minifying.