Free Developer & Everyday Tools
Free everyday developer utilities that run entirely in your browser. Format and validate JSON, encode Base64 and URLs, generate UUIDs and strong passwords, hash text, test regular expressions, convert colors and cases, build cron expressions, and slugify titles.
General Tools
13 toolsBase64 Encoder & Decoder
Encode or decode Base64, fully Unicode-safe, with an optional URL-safe mode.
Launch tool →Case Converter
Convert text to camelCase, snake_case, kebab-case, Title Case, and more.
Launch tool →Color Converter
Convert colors between HEX, RGB, HSL, and the Discord decimal integer with a live swatch.
Launch tool →Cron Expression Builder
Build, explain, and preview cron schedules with the next run times.
Launch tool →Hash Generator
Hash text to MD5, SHA-1, SHA-256, SHA-384, and SHA-512 right in your browser.
Launch tool →JSON Formatter & Validator
Beautify, minify, and validate JSON with clear error messages and indent options.
Launch tool →Password Generator
Create strong random passwords with crypto-grade entropy and a live strength meter.
Launch tool →QR Code Generator
Make styled, scannable QR codes with colors, gradients, dots, and a center logo.
Launch tool →Regex Tester
Test regular expressions live with match highlighting, capture groups, and replace.
Launch tool →Slug Generator
Turn any title into a clean, SEO-friendly URL slug with accent stripping.
Launch tool →Unix Time Converter
Convert between Unix timestamps and human dates, both ways, with timezones.
Launch tool →URL Encoder & Decoder
Percent-encode or decode text and links in component or full-URL mode.
Launch tool →UUID Generator
Generate secure random v4 UUIDs in bulk, with uppercase and copy-all.
Launch tool →