Beautify Tools
Make code readable with consistent indentation — beautify JavaScript, CSS, TypeScript, SCSS, LESS, Markdown, GraphQL, SQL, YAML and more in your browser.
- Format minified JS, CSS, JSON and markup for code review or hand edits.
- Prettify TypeScript, SCSS, LESS, Markdown and GraphQL in one place.
- Switch to minify or unminify on the same hub index when needed.
Beautify JS
Format JavaScript with consistent indentation — readable structure for reviews and debugging.
Beautify CSS
Beautify CSS stylesheets with clear nesting and spacing before sharing or committing.
Beautify JSON
Format JSON with readable indentation when payloads need human review, not compression.
Beautify HTML
Prettify HTML markup for easier inspection of templates and email fragments.
Beautify XML
Beautify XML configs and feeds with consistent indentation for diff-friendly reviews.
Beautify SVG
Format SVG markup for hand-editing icons and illustrations without losing structure.
Beautify SQL
Format SQL with dialect support, keyword casing and readable indentation — client-side privacy.
Beautify YAML
Format YAML with consistent indentation and quote control — ideal for DevOps configs.
Beautify TOML
Format TOML with consistent indentation — ideal for Rust and Python project configs.
Beautify TypeScript
Format TypeScript with Prettier — beautify and unminify.
Beautify SCSS
Format SCSS/Sass with consistent indentation.
Beautify LESS
Format LESS stylesheets online with Prettier.
Beautify Markdown
Format Markdown README and docs with consistent spacing.
Beautify GraphQL
Format GraphQL schemas and queries with standard indentation.
Guides
GraphQL SDL: Validate and Format a Schema Online
SDL syntax errors, schema review and formatting before merge — extends the existing GraphQL beautifier.
JSON Formatter, Diff and Tree Viewer: Compare and Explore Payloads
Format, diff two API responses and explore deep JSON in a tree — a no-install debug workflow in your browser.
Validate and Repair JSON Online: A Practical Guide
Trailing commas, single quotes, Excel exports: diagnose and fix broken JSON before it reaches production.
Code Beautifier Guide: JS, CSS, HTML and JSON
Make minified JS, CSS, HTML and JSON readable. Online beautify vs Prettier/ESLint, pre-commit hooks, and when unminify is the better verb.
How to Minify HTML: Complete Guide for Faster Pages
Learn HTML minification: remove comments, whitespace, optional attributes and shrink pages 15–40%. CLI tools, build plugins, and online minifiers.
CSS Minification Guide: CSSO, Unused CSS, Builds
How to minify CSS in 2026: CSSO (and friends), unused-CSS removal, Vite/Webpack, vs an online minifier. Honest limits before you chase bytes.