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.
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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.
January 6, 20265 min
UUID Generator: Create Unique IDs (v4, v1, nil)
Generate UUIDs in bulk, choose formats, and validate existing identifiers.
January 6, 20265 min
Hash Generator: MD5, SHA-256, and SHA-512
Create hashes for checksums, file validation, and data integrity in seconds.
January 6, 20265 min
Unix Timestamp Converter: Epoch Time to Date
Convert Unix timestamps to readable dates and back, with seconds or milliseconds.
January 6, 20266 min
Diff Checker: Compare Text and Code Online
Compare two files or snippets side by side and export patch files.
January 6, 20265 min
Color Converter: HEX to RGB, HSL, and CMYK
Convert between popular color formats for web and print workflows.
January 6, 20265 min
Markdown Preview: Live Editor and HTML Export
Write Markdown with live preview and export clean HTML in seconds.
January 6, 20265 min
HTML Encoder and Decoder: Escape HTML Entities Safely
Escape HTML entities to display code safely and prevent injection.
January 6, 20264 min
Lorem Ipsum Generator: Placeholder Text for Design
Generate filler text for mockups, wireframes, and layout testing.
January 6, 20265 min
YAML to JSON Converter: Two-Way Conversion
Convert YAML to JSON or JSON to YAML quickly with validation.
January 6, 20265 min
SQL Formatter: Clean and Readable Queries
Format SQL queries for readability, better debugging, and easier reviews.
January 6, 20265 min
XML Formatter: Beautify and Validate XML
Format XML with proper indentation and catch structural errors early.
January 8, 20267 min
CSV to JSON Converter: Complete Guide for Developers
Learn how to convert CSV to JSON and back with type inference, custom delimiters, and best practices for data transformation.
January 8, 20268 min
Crontab Validation: Common Mistakes and How to Fix Them
Learn how to validate cron expressions, understand common crontab errors, and see next run times with timezone support.
January 8, 20267 min
TOML vs YAML vs JSON: Choosing the Right Config Format
Compare TOML, YAML, and JSON configuration formats. Learn when to use each format and how to convert between them.
January 8, 20268 min
Code Minification: Complete Guide to Reducing File Size
Learn how to minify JavaScript, CSS, and HTML to reduce file size, improve page load times, and optimize your web applications for production.
January 8, 20268 min
How to Create QR Codes: Complete Guide for Developers and Marketers
Learn how to create and customize QR codes for URLs, WiFi networks, contact cards, and more with our free online generator.