About HTML Formatter
HTML Formatter is a local-first formatters utility on DevTooKit for everyday html tasks. Beautify or minify HTML documents with Prettier. DevTooKit keeps html work on-device and installable as a PWA for offline use. Pair it with neighboring tools instead of hopping across random websites.
What stays local: Source you format with HTML.
What you can do with HTML Formatter
- Free online html formatter — no account required
- Pretty-print or tidy HTML with clear structure
- Runs locally in your browser (nothing uploaded for processing)
- Works offline after installing the DevTooKit PWA
How to use HTML Formatter
- Open HTML Formatter. Go to the free HTML Formatter page on DevTooKit.
- Enter your input. Paste or type your html data — it stays in this browser tab.
- Run the tool. Use HTML Formatter to get results instantly with no server round-trip for processing.
- Copy and continue. Copy the output into your editor, PR, or API client as needed.
Privacy
What stays local: Source you format with HTML. DevTooKit is local-first — no signup wall, no server-side processing for this tool, and no watermark on results.
Related tools
FAQ — HTML Formatter
Privacy, offline use, and how this free online tool works.
Does HTML Formatter upload my data to a server?
No. HTML Formatter runs in your browser. Your input stays on this device and is not sent to DevTooKit for processing.
Is HTML Formatter free?
Yes — free, with no account and no paywall to use the core html workflow.
Will HTML Formatter change my data unexpectedly?
It reformats with standard rules for readability. Invalid input returns a clear error instead of silently corrupting your file.
Can I use HTML Formatter offline?
Yes after the first visit. Install DevTooKit as a PWA and this tool keeps working without a network connection.