- 1Choose file
- 2Adjust
- 3Download
Beautify HTML online, free
Compress HTML markup, collapse whitespace, strip comments, and beautify tangled templates locally in your browser.
- Runs in your browser — no upload
- Free, no sign-up, no watermark
- HTML
- TXT
Set up on this page
- Operation Mode: beautify
How to use HTML Minifier & Cleaner · HTML Minifier & Cleaner — frequently asked questions
How to use Beautify HTML
- 1
Add your file
Drop a file on the page or click Select Files.
- 2
Check the preset
Operation Mode is set to beautify. You can change it before running.
- 3
Run the tool
Press start. Processing happens on your device.
- 4
Save the result
The result is delivered as HTML, JSON.
What HTML Minifier & Cleaner can do
- Operation Mode: minify and beautify
- Private by design — files are processed in your browser and never uploaded
- Free with no sign-up, no watermark and no daily limit
HTML Minifier & Cleaner — frequently asked questions
What does this page set for Beautify HTML?
Operation Mode: beautify. All of these stay editable.
Is my file uploaded?
No. On the web this tool runs in your browser, so your file is not uploaded.
Are there limits?
It takes one input per run. Server jobs accept up to 0 GB. A job can run for up to 15 seconds. In the browser, the practical limit is your device's memory.
What does HTML minification do for page speed?
Minification removes HTML comments, strips excessive indentation and spaces between tags, and collapses multi-line text blocks. Smaller HTML documents download faster and parse quicker, directly improving First Contentful Paint (FCP) and Time to First Byte (TTFB).
Does the formatter handle void elements and doctypes correctly?
Yes. Standard HTML5 doctypes (`<!DOCTYPE html>`) and self-closing or void elements such as `<meta>`, `<link>`, `<img>`, `<input>`, and `<br>` are preserved according to W3C specifications.
Related tools
- CSS Minifier & BeautifierMinify CSS rules, remove dead comments, optimize hex colors, or beautify stylesheets with configurable indentation.
- JavaScript Minifier & FormatterFast client-side JavaScript minification, dead comment elimination, and clean code formatting without server roundtrips.
- SVG Path Visualizer & OptimizerInteractive SVG path coordinate visualizer with command breakdown (M, C, S, Q, T, A, Z), live preview, and precision optimization.
- Aspect Ratio CalculatorCalculate proportional width and height dimensions, reduce fractions to standard aspect ratios (16:9, 4:3, 21:9, 1:1), and resize display resolutions.
- Bandwidth & Download CalculatorEstimate download and upload durations for files across broadband, 4G, 5G, and Gigabit fiber connections with TCP/IP overhead calculations.
- Convert Data FileConvert between CSV, TSV, JSON, NDJSON, YAML, XML, TOML and Excel — nested data kept.
- Cron Expression GeneratorGenerate, explain, and validate standard 5-field cron schedule expressions with human-readable descriptions and next run timestamps.
- CSS Glassmorphism & Shadow BuilderFine-tune multi-layer soft shadows, backdrop-filter glassmorphism, and neon glow effects with instant CSS snippet generation.