January 6, 20266 min
Regex Tester Online: Build, Test, and Debug Regular Expressions
Learn how to build and debug regular expressions with live highlights, flags, and real-world examples.
Developer Tools
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Regex Tester
Test and debug regular expressions with live highlighting
JSON Formatter
Format, validate, and beautify JSON data
Cron Generator
Build cron expressions with visual editor
Base64 Encoder
Encode and decode Base64 strings and files
URL Encoder
Encode and decode URLs and query strings
JWT Decoder
Decode and inspect JSON Web Tokens
UUID Generator
Generate random UUIDs and validate existing ones
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
Timestamp Converter
Convert Unix timestamps to readable dates
Diff Checker
Compare two texts and highlight the differences
Color Converter
Convert between HEX, RGB, HSL, and CMYK
Markdown Preview
Write and preview Markdown in real-time
HTML Encoder
Encode and decode HTML entities
Lorem Ipsum
Generate placeholder text for designs
YAML ↔ JSON
Convert between YAML and JSON formats
SQL Formatter
Format and beautify SQL queries
XML Formatter
Format and validate XML documents
Latest from the blog
Practical guides and workflows for your daily developer tasks.
January 6, 20265 min
JSON Formatter: Validate, Beautify, and Minify JSON
Validate JSON, fix formatting issues, and produce clean output with consistent indentation.
January 6, 20266 min
Cron Generator: Build Cron Expressions Visually
Create cron schedules with a visual builder and export to common formats like AWS and GitHub Actions.
January 6, 20265 min
Base64 Encoder and Decoder Online: Text, Files, and Images
Encode or decode Base64 strings, files, and images directly in your browser.
January 6, 20265 min
URL Encoder and Decoder: Encode Query Strings Safely
Encode special characters for URLs, decode parameters, and build safe query strings.
January 6, 20266 min
JWT Decoder: Inspect JSON Web Tokens Securely
Decode JWT headers and payloads, inspect claims, and verify expiration quickly.
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