# Praticulus

> Free online developer and productivity tools. No signup required.

## What it does
Praticulus provides free browser-based tools for developers and technical users. All tools run client-side with no data sent to servers. Open DevTools → Network and verify: nothing leaves your tab.

## Hubs (topic clusters)
- [Developer tools](https://praticulus.com/developer/)
- [Security tools](https://praticulus.com/security/)
- [Color tools](https://praticulus.com/color/)
- [Converter tools](https://praticulus.com/converters/)
- [Generator tools](https://praticulus.com/generators/)
- [Text tools](https://praticulus.com/text/)

## Available tools

### [Developer](https://praticulus.com/developer/)
- [JSON Formatter & Validator](https://praticulus.com/json-formatter/)
- [Base64 Encoder/Decoder](https://praticulus.com/base64/)
- [URL Encoder/Decoder](https://praticulus.com/url-encoder/)
- [Hash Generator (MD5, SHA-1, SHA-256, SHA-512)](https://praticulus.com/hash-generator/)
- [HMAC Generator (SHA-1, SHA-256, SHA-512)](https://praticulus.com/hmac-generator/)
- [UUID Generator (v1, v4, v7)](https://praticulus.com/uuid-generator/)
- [Regex Tester & Explainer](https://praticulus.com/regex-tester/)
- [Diff Checker](https://praticulus.com/diff-checker/)
- [SQL Formatter](https://praticulus.com/sql-formatter/)
- [YAML Formatter & Validator](https://praticulus.com/yaml-formatter/)
- [XML Formatter (format, minify, validate, well-formed)](https://praticulus.com/xml-formatter/)
- [Markdown Preview](https://praticulus.com/markdown-preview/)
- [Cron Expression Parser (plain English + next 5 runs)](https://praticulus.com/cron-parser/)
- [CSV Viewer & Formatter (sortable table, export JSON/TSV)](https://praticulus.com/csv-viewer/)
- [Unix Timestamp Converter (epoch ↔ date, timezones)](https://praticulus.com/timestamp-converter/)

### [Security](https://praticulus.com/security/)
- [Password Generator](https://praticulus.com/password-generator/)
- [Hash Generator (MD5, SHA-1, SHA-256, SHA-512)](https://praticulus.com/hash-generator/)
- [HMAC Generator (SHA-1, SHA-256, SHA-512)](https://praticulus.com/hmac-generator/)
- [JWT Decoder](https://praticulus.com/jwt-decoder/)
- [TOTP Generator](https://praticulus.com/totp-generator/)
- [Certificate Decoder (X.509 PEM)](https://praticulus.com/cert-decoder/)

### [Color](https://praticulus.com/color/)
- [Color Picker (HEX, RGB, HSL)](https://praticulus.com/color-picker/)
- [Color Converter (HEX, RGB, HSL, CMYK, HWB)](https://praticulus.com/color-converter/)
- [Palette Generator (complementary, analogous, triadic, tetradic, monochromatic)](https://praticulus.com/palette-generator/)
- [Contrast Checker (WCAG 2.1 AA/AAA)](https://praticulus.com/contrast-checker/)
- [CSS Gradient Generator (linear, radial, conic)](https://praticulus.com/gradient-generator/)
- [Color Blender (smooth tonal transitions)](https://praticulus.com/color-blender/)

### [Converters](https://praticulus.com/converters/)
- [Base64 Encoder/Decoder (text and files)](https://praticulus.com/base64/)
- [URL Encoder/Decoder (percent-encoding, Unicode)](https://praticulus.com/url-encoder/)
- [Unix Timestamp Converter (epoch ↔ date, ISO 8601, timezones)](https://praticulus.com/timestamp-converter/)
- [Image Compressor (JPEG/PNG/WebP, in-browser, no upload)](https://praticulus.com/image-compressor/)

### [Generators](https://praticulus.com/generators/)
- [Password Generator](https://praticulus.com/password-generator/)
- [UUID Generator (v1, v4, v7)](https://praticulus.com/uuid-generator/)
- [QR Code Generator](https://praticulus.com/qr-generator/)
- [Lorem Ipsum Generator](https://praticulus.com/lorem-ipsum/)

### [Text](https://praticulus.com/text/)
- [Word Counter (words, characters, sentences, reading time)](https://praticulus.com/word-counter/)
- [Text Case Converter (camelCase, snake_case, kebab-case, and more)](https://praticulus.com/text-case/)
- [Markdown to HTML Converter (GFM, optional Tailwind classes)](https://praticulus.com/markdown-to-html/)
- [Markdown Preview](https://praticulus.com/markdown-preview/)
- [Regex Tester & Explainer](https://praticulus.com/regex-tester/)
- [XML Formatter (format, minify, validate)](https://praticulus.com/xml-formatter/)
- [Lorem Ipsum Generator](https://praticulus.com/lorem-ipsum/)

## Key facts
- 31 tools available and growing (60+ planned)
- Free, no account, no usage limits
- Zero third-party origins: every script, style, font, and image is served from praticulus.com
- No cookies, no analytics, no fingerprinting
- Content language: English
- License: MIT — source at https://github.com/jamalofski/praticulus

## Trust pages
- [Privacy policy](https://praticulus.com/privacy/)
- [Legal notice](https://praticulus.com/legal/)
- [About](https://praticulus.com/about/)

## Links
- [Website](https://praticulus.com/)
- Repository: https://github.com/jamalofski/praticulus
- Publisher: [Iris Digital](https://irisdigital.tech/)
- Contact: contact@praticulus.com