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  • Paste & share
  • Word & character counter
  • Case converter
  • Text diff / compare
  • Lorem ipsum generator
  • Find & replace
  • Text to slug / URL encode
  • Remove duplicate lines
  • JSON formatter / validator
  • JSON to CSV / XML / YAML
  • HTML beautifier / minifier
  • CSS beautifier / minifier
  • JavaScript beautifier / minifier
  • SQL formatter
  • Regex tester
  • Cron expression builder
  • Markdown editor
  • Code screenshot
  • Base64 encode / decode
  • URL encode / decode
  • HTML entity encode / decode
  • JWT decode / inspect
  • Hash generator
  • UUID / ULID generator
  • Unix timestamp converter
  • Number base converter
  • Image compressor
  • Image format converter
  • Image resizer & cropper
  • SVG optimiser
  • Favicon generator
  • Base64 ↔ image
  • Colour picker
  • Palette generator
  • Contrast checker (WCAG)
  • CSS gradient generator
  • PDF merge
  • PDF split
  • PDF compress
  • HTML / Markdown to PDF
  • QR code generator & reader
  • Password generator
  • URL shortener
  • IP / network lookup
  • Speed test
  • Emoji picker
  • OG meta tag previewer
  • AI code explainer
  • AI regex builder
  • AI SQL writer
  • AI JSON schema generator
  • AI colour palette

Utilities

7 tools in this category

QR code generator & reader

Create QR codes or scan them from camera or image.

Password generator

Generate strong passwords with custom rules.

URL shortener

Create short links (server-backed).

IP / network lookup

Approximate location and ASN for an IP.

Speed test

Estimate download speed from a test payload.

Emoji picker

Search and copy emoji.

OG meta tag previewer

Preview Open Graph tags for a URL.

ZeroKit

52 free online tools for developers, designers, and everyone. Client-side by default — your data never leaves your browser.

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