Text & Regex tools

Regex & Text Tools

Test regular expressions, format HTML, preview Markdown, and compare text directly in your browser without uploading anything.

Tool inputs are processed locally in your browser and are not uploaded to TechFixGen.

HTML FormatterFormat, beautify, and conservatively minify HTML with configurable indentation.
Markdown PreviewWrite Markdown and safely preview headings, lists, links, code blocks, tables, and task lists.
Text Diff CheckerCompare two text blocks with accessible line-by-line added, removed, changed, and unchanged results.
Regex TesterTest regular expressions online with highlights, capture groups, and a replacement preview.
cURL to Code ConverterConvert cURL commands into fetch, Axios, Python requests, and PowerShell code.
CSS FormatterFormat, beautify, and conservatively minify CSS with configurable indentation.
JavaScript FormatterFormat, beautify, and conservatively minify JavaScript with configurable indentation.
HTTP Status Code LookupLook up HTTP status codes with plain-language meanings and RFC references.
Slug GeneratorGenerate clean, SEO-friendly URL slugs from any text with Unicode and separator options.
.gitignore GeneratorGenerate a .gitignore file from curated local templates plus your own custom ignore rules.

Use cases

  • Test regular expressions against sample text
  • Inspect numbered and named capture groups
  • Preview JavaScript regex replacement
  • Review match positions and empty matches
  • Preview Markdown documents safely
  • Compare text line by line

Keep in mind

  • Patterns run on the browser's native JavaScript RegExp engine, not PCRE, Python, .NET, or RE2.

More categories

Browse the complete set of developer tools.