Dev & Web Tools

Free developer and web tools that run in your browser — format code, encode and decode Base64, generate CSS buttons and grids, add vendor prefixes, validate email lists, or scan a barcode. Nothing is uploaded, and there is no account or sign-up.

9 tools available

Acronym Decoder

Expand acronyms & abbreviations — tech to slang

Barcode Scanner

Scan barcodes & QR codes with your camera. Free, no app.

Code Formatter

Format & beautify code — JS, JSON, HTML, CSS, Python

Base64 Converter

Encode text to Base64, or decode Base64 back — instantly

Bulk Email Validator

Paste text → extract, dedupe & validate email addresses

CSS Button Generator

Design a button, copy the HTML and CSS or Tailwind code

CSS Grid Generator

Draw grid areas, copy the CSS grid and HTML code

Center Div Generator

Center a div with Flexbox, Grid, or Absolute — copy the CSS

CSS Autoprefixer

Paste CSS, get instant vendor-prefixed output. Free.

Every tool runs in your browser — no upload, no account, free.