Free Tools

OpenHub Tools

Free tools for your business. Runs locally in your browser — no data leaves your device.

Free

PDF Tools

Merge, split, rotate, watermark, and compress PDF files. Everything runs locally in your browser — no files are uploaded.

  • Merge PDFs
  • Split PDF
  • Rotate Pages
  • Watermark
  • Compress
Free
Open Tool
Free

Password Generator

Generate secure passwords and passphrases. Cryptographically random.

  • Custom Length
  • Strength Meter
  • Passphrases
  • Bulk Generate
Free
Open Tool
Free

CSS Stylings

Glass, box shadows, gradients, border radius, text styles, and CSS filters. All in one tool with live preview.

  • Glass
  • Box Shadows
  • Gradients
  • Border Radius
  • Text Styles
Free
Open Tool
Free

Markdown Editor

Write markdown with live preview. Export as HTML.

  • Live Preview
  • Toolbar
  • Export HTML
  • Copy HTML
Free
Open Tool
Free

QR Code Generator

Generate QR codes for URLs, text, email, phone, and WiFi.

  • URL/Text/Email/WiFi
  • Custom Colors
  • Download PNG
  • Download SVG
Free
Open Tool
Free

Color Picker & Converter

Pick colors and convert between HEX, RGB, and HSL. WCAG contrast checker.

  • HEX/RGB/HSL
  • Visual Picker
  • Contrast Checker
  • Copy Formats
Free
Open Tool
Free

Regex Tester

Test regular expressions with live highlighting and match details.

  • Live Matching
  • Groups
  • Replace Mode
  • Common Patterns
Free
Open Tool