Free Online Code and Data Formatters
Paste messy code or data and get clean, readable output. Formatting happens locally in your browser.
10 tools in this section
Format & Beautify JSON Online
Paste minified or messy JSON and format it with proper indentation. Free online JSON formatter with validation.
Format SQL Queries Online
Beautify and indent SQL queries for better readability. Free online SQL formatter supporting MySQL, PostgreSQL, and more.
Format & Beautify XML Online
Paste XML data and format it with proper indentation and syntax highlighting. Free online XML formatter and validator.
Format & Beautify CSS Online
Paste minified or messy CSS and format it with proper indentation. Free online CSS formatter and beautifier.
Format & Beautify Code Online
Format and beautify JavaScript, Python, PHP, Java, and C++ code. Free online code formatter with syntax highlighting.
Format JSON Online Free
Format and beautify JSON online for free with syntax highlighting. Paste raw or minified JSON and get clean indented output, no signup.
Format a MySQL Query Online
Beautify MySQL queries with clause-per-line indentation and backtick-safe keyword casing. Free online SQL formatter, no signup.
Format a SQL Server Query Online
Pretty print T-SQL from a profiler or log into clause-per-line SQL. Free SQL Server formatter with keyword casing and comma style.
Format an XML Document Online
Beautify and validate XML with chosen indentation. Free XML formatter that flags well-formedness errors by line, no signup.
Format JavaScript Online
Beautify and reindent messy or minified JavaScript with consistent formatting. Free online JavaScript formatter that runs in your browser.
Full Tool Pages
About These Tools
Every tool in this section is free to use on ToolBox, with no account, no signup, and no usage limits. Almost all of them run entirely in your browser, so your files and data never leave your device; the few that have to fetch a page or call a service say so on their own page. Browse the full tool directory for everything else.