Code Tools
Code formatting, validation, and utility tools
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text, with full Unicode support and a URL-safe option. Also convert any file to a Base64 data URI. Private, in your browser.
JSON to CSV Converter
Convert JSON to CSV and CSV back to JSON, with a live table preview. Handles nested values, quoted fields, custom delimiters, and number/boolean parsing. Private, in your browser.
JSON to YAML Converter
Convert JSON to YAML and YAML back to JSON, with adjustable indentation and a swap button. Handles nested objects and arrays. Private — runs in your browser.
SVG Sprite Generator
Combine multiple SVG icons into one sprite of <symbol> elements, with editable ids, a live preview, and a ready-to-use <use> snippet. Runs in your browser.
JSON Formatter
Format, validate, and beautify JSON data with syntax highlighting, minification, error detection, and file handling.
CSS Minifier
Minify and compress CSS code with optimization, validation, statistics, and file handling for better web performance.
HTML Formatter
Format, prettify, and validate HTML code with minification, SEO analysis, accessibility checks, and file handling.
Hash Generator
Generate SHA1, SHA256, SHA384, SHA512 cryptographic hashes with file support, HMAC, verification, and batch processing.
UUID Generator
Generate random version 4 UUIDs in bulk, with uppercase and no-hyphen options, and copy them all in one click. Fast, secure, and private in your browser.
Epoch / Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back, in seconds or milliseconds, with the current epoch time shown live. Free and private.
JWT Decoder
Decode a JSON Web Token (JWT) to read its header and payload, with issued-at and expiry times, entirely in your browser. The signature is never sent anywhere.
Regex Tester
Test regular expressions live with match highlighting, capture groups, and all flags (g, i, m, s, u). Free, instant, and private in your browser.
Cron Expression Generator
Explain any cron expression in plain English and see its next run times, with handy presets. Free and private in your browser.
Barcode Generator
Generate a Code 128 barcode from any text or number and download it as a PNG image. Free, instant, and private in your browser.
CSS Grid Generator
Visually build CSS grid layouts — set columns, rows, and gaps, drag and resize items, then copy the generated grid CSS and HTML.
Tailwind Grid Generator
Build grid layouts visually and copy ready-to-use Tailwind CSS grid classes (grid-cols, grid-rows, col-span, gap) for HTML or JSX.
Meta Tag Generator
Generate SEO meta tags plus Open Graph and Twitter Card tags from a simple form, with live Google and social-share previews. Copy ready-to-paste HTML for your page head.
Fluid Type Scale Generator
Generate a responsive, fluid typography scale with CSS clamp() — set your min/max screen sizes, base sizes, and ratio, then copy ready-to-use CSS custom properties. No media queries.
Responsive Size Calculator
Scale an image or element between two breakpoints. Enter the width and height at your smallest and largest screen, then get a fluid CSS clamp() value plus exact sizes for every breakpoint.
CSS Gradient Generator
Create linear and radial CSS gradients visually with a live preview, multiple color stops, and angle control. Copy the CSS or Tailwind code.
CSS Text Gradient Generator
Make gradient text with a live preview and copy the CSS (background-clip) or Tailwind (bg-clip-text) code. Linear and radial, multiple color stops.
Word to HTML Converter
Paste content from Word or Google Docs and get clean HTML — strips the messy Microsoft Office markup, inline styles, and empty tags. Copy or download the result.