Web developer tools
Format, validate and convert HTML, JavaScript, Markdown and URLs. Browse 16 free tools below.
- URL ParserSplit a URL into protocol, host, path, query and hash.Web
- JSON ValidatorCheck JSON for syntax errors and see what it contains.Web
- JavaScript BeautifierFormat minified or messy JavaScript with clean indentation.Web
- JavaScript MinifierShrink JavaScript by removing whitespace and shortening names.Web
- JavaScript Syntax CheckerCheck JavaScript for syntax errors without running it.Web
- Markdown to HTML ConverterTurn Markdown into clean HTML.Web
- HTML to Pug (Jade) ConverterConvert HTML markup into Pug templates.Web
- Pug (Jade) to HTML ConverterConvert basic Pug templates into HTML.Web
- BBCode to HTML ConverterConvert forum BBCode tags into HTML.Web
- BBCode to Pug ConverterConvert BBCode into a Pug template.Web
- BBCode to Text ConverterStrip BBCode tags and keep the plain text.Web
- HTML to Text ConverterExtract the readable text from HTML.Web
- XML to Text ConverterPull the text values out of an XML document.Web
- JSON to Text ConverterList every value in a JSON document as plain text.Web
- Text to HTML Entities ConverterTurn every character into a numeric HTML entity.Web
- HTML Tag RemoverRemove all HTML tags and keep the text.Web
About web developer tools
Format, validate and convert HTML, JavaScript, Markdown and URLs. This collection has 16 free tools, including URL Parser, JSON Validator, JavaScript Beautifier, JavaScript Minifier, JavaScript Syntax Checker and more. Web developers move between formats all day: Markdown to HTML, minified code back to something readable, forum markup to the web. Each step is small, but doing it by hand is slow and error prone.
This tool does the job in your browser. It shows readable errors when the input is invalid, which also makes it handy as a quick checker.
Web developer tools FAQ
What are web developer tools?
Format, validate and convert HTML, JavaScript, Markdown and URLs. Every tool in this collection is free and needs no sign-up.
How many web developer tools are available?
There are 16 tools in this collection today, and new ones are added regularly.
Are these tools free?
Yes. They are free with no limits, watermarks or accounts.
Is my data private?
Yes. Everything runs in your browser, so your code and markup are never uploaded.
Do the tools work on mobile?
Yes. Every tool is responsive and works in modern mobile and desktop browsers.
What can I use web developer tools for?
Cleaning up code before sharing or committing it; Debugging broken JSON, HTML and JavaScript; Converting between markup formats; Preparing text for forums, emails and CMS editors.