Code Formatters
Clean, fast formatters for code and data in every format you work with. Paste messy JSON, SQL, HTML, CSS, or XML and get properly indented, syntax-highlighted output instantly. Every formatter runs entirely in your browser — no data is ever sent to a server.
9 tools
JSON Formatter & Validator
Format, validate and minify JSON with 2-space, 4-space or tab indents, alphabetical key sorting and line-numbered parse errors.
SQL Formatter & Beautifier
Format and minify SQL queries with 2-space, 4-space or tab indentation and uppercase, lowercase or capitalized keywords.
Markdown Preview
Preview Markdown as rendered HTML while you type, with tables, fenced code blocks, strikethrough and images, and copy the HTML.
XML Formatter & Viewer
Format, beautify, and validate XML with syntax highlighting, tree view toggle, and minification
Log Parser & Highlighter
Parse logs with auto-detection of JSON Lines, Python logging, syslog and nginx access formats, then filter by level and search.
JavaScript Minifier & Beautifier
Minify JavaScript by stripping comments and whitespace, or beautify it with 2-space, 4-space or tab indentation, and see the size saved.
CSS Minifier & Beautifier
Minify or beautify CSS with size reduction stats and comment removal options
HTML Formatter & Viewer
Format or minify HTML with adjustable indentation, preview the rendered page, and flag unclosed tags, duplicate IDs and missing alt text.
Terraform HCL Formatter
Format Terraform HCL with terraform fmt-style indentation and aligned equals, and lint for hardcoded secrets, 0.0.0.0/0 rules and undeclared vars.
The same list is available as JSON at /api/tools-by-category.json.