Developer Blog
Deep dives into the concepts behind the tools you use every day.
Converting Between YAML and JSON
August 15, 2026
Convert configuration formats between YAML and JSON.
Keeping Your YAML Configs Clean
August 15, 2026
Format YAML files with accurate spacing.
Bridging the Gap: XML to JSON
August 15, 2026
Convert data seamlessly between JSON and XML formats.
How to Format XML Files
August 15, 2026
Beautify and indent XML documents for readability.
What is a UUID?
August 15, 2026
Generate universally unique identifiers (UUID v4).
Parsing User-Agent Strings
August 15, 2026
Decode User-Agent strings to identify browser, OS, and device.
Breaking Down URLs
August 15, 2026
Parse URLs into protocol, host, path, and query parameters.
Encoding URLs and HTML Entities
August 15, 2026
Safely encode and decode URL parameters and HTML entities.
Understanding URL Encoding
August 15, 2026
Safely encode and decode URLs and parameters.
What is Punycode?
August 15, 2026
Convert domains to Punycode or escape strings to Unicode sequences.
Inspecting Hidden Unicode Characters
August 15, 2026
Inspect invisible characters, whitespace, and Unicode code points.
Encoding Text to Binary and Hexadecimal
August 15, 2026
Encode text into Binary, Hexadecimal, or ASCII decimal numbers.
Reversing Text and ROT13
August 15, 2026
Reverse strings, words, and lines or apply a ROT13 cipher.
Cleaning Up Messy Text
August 15, 2026
Remove duplicates, trim spaces, sort lines, and clean text.
Comparing Two Blocks of Text
August 15, 2026
Visually compare two text blocks to find additions and deletions.
Converting Text Cases
August 15, 2026
Convert text between uppercase, lowercase, camelCase, snake_case, etc.
Analyzing Text Statistics
August 15, 2026
Instantly count characters, words, sentences, and estimate reading time.
Using SVGs in React (SVG to JSX)
August 15, 2026
Transform raw SVG code into React-compatible JSX components.
Formatting SQL Queries
August 15, 2026
Pretty-print complex SQL queries for better readability.
Generating SEO-Friendly Slugs
August 15, 2026
Convert any text into a URL-friendly slug.
Generating RSA Key Pairs
August 15, 2026
Generate secure Public/Private RSA keys natively.
Asymmetric Encryption with RSA
August 15, 2026
Encrypt and decrypt messages using RSA asymmetric keys.
Testing Regular Expressions
August 15, 2026
Test regular expressions with live highlighting and match details.
Generating Random Strings
August 15, 2026
Generate Lorem Ipsum placeholder text or secure random strings.
Parsing URL Query Strings
August 15, 2026
Parse URLs and query strings into readable key-value pairs.
Creating Custom QR Codes
August 15, 2026
Generate QR codes for URLs, text, and contact information.
Removing PDF Passwords Securely
August 15, 2026
Remove password protection from multiple PDFs at once — fully client-side.
How Strong is Your Password?
August 15, 2026
Analyze password security and estimate time to crack.
Why You Need a Password Generator
August 15, 2026
Generate secure, random passwords to stay safe online.
Translating Morse Code
August 15, 2026
Translate text into Morse code (dots and dashes) and vice versa.
Optimizing Your Site with Meta Tags
August 15, 2026
Generate SEO and Social Media meta tags for your website.
How to Preview Markdown as HTML Live
August 15, 2026
Learn how to instantly convert your markdown text to HTML with our live preview tool.
Converting Markdown to HTML
August 15, 2026
Convert between Markdown text and semantic HTML.
The History of Lorem Ipsum
August 15, 2026
Generate placeholder text — paragraphs, sentences, or words.
How to Validate JSON Syntax
August 15, 2026
Catch syntax errors in JSON before they break your app.
Visualizing JSON Data as a Tree
August 15, 2026
Explore complex JSON structures easily using a tree viewer.
Formatting JSON Data Like a Pro
August 15, 2026
Learn how to make JSON readable with a formatter.
How to Compare Two JSON Objects
August 15, 2026
Visually compare two JSON objects to find added, removed, or changed values.
Converting JSON to CSV
August 15, 2026
Convert data between JSON arrays and tabular CSV format.
How to Format JavaScript & TypeScript
August 15, 2026
Beautify messy JS/TS code in seconds for better readability.
Understanding HTTP Status Codes
August 15, 2026
Search and discover HTTP status codes and their meanings.
HTML Entities Explained
August 15, 2026
Encode and decode HTML entities for safe rendering.
Generating Secure HMACs & PBKDF2 Keys
August 15, 2026
Generate Message Authentication Codes and derive secure keys.
Beautifying GraphQL Queries
August 15, 2026
Format GraphQL queries, mutations, and schemas.
Creating Beautiful CSS Gradients
August 15, 2026
A complete guide to using CSS gradients for modern web design.
The Ultimate Guide to CSS Flexbox
August 15, 2026
Visually build and understand CSS Flexbox layouts.
Advanced Find and Replace
August 15, 2026
Bulk search and replace text with support for Regular Expressions.
Generating Mock Data for APIs
August 15, 2026
Instantly generate realistic mock data for testing APIs.
Why You Should Minify Your CSS
August 15, 2026
Improve your website performance by compressing CSS files.
Building Layouts with CSS Grid
August 15, 2026
Simplify complex web layouts using CSS Grid.
Understanding Cron Expressions
August 15, 2026
Build and understand cron expressions with a visual interface.
Calculating Linux Permissions (Chmod)
August 15, 2026
Visually calculate Linux file permissions in octal and symbolic formats.
What is Your Browser Leaking?
August 15, 2026
Instantly discover what information your browser is exposing.
Mastering CSS Box Shadows
August 15, 2026
Learn how to add depth to your UI with the perfect CSS box shadow.
Why You Should Use Bcrypt for Passwords
August 15, 2026
Generate and verify secure Bcrypt password hashes.
Understanding Base32, Base58, and Base85
August 15, 2026
Encode and decode data using Base32, Base58, Base64, and Base85.
Converting Between Number Bases
August 15, 2026
Convert numbers between Binary, Octal, Decimal, and Hexadecimal.
How AES Encryption Works
August 15, 2026
Encrypt and decrypt text using Advanced Encryption Standard (AES).
5 More Web Utilities That Will Save You Hours of Debugging
August 15, 2026
A roundup of 5 web-based tools including a JWT Decoder, Text Diff Tool, CSS Box Shadow Generator, Base Converter, and HTML Formatter.
5 Essential Everyday Tools Every Developer Should Have Bookmarked
August 15, 2026
A roundup of 5 essential developer utilities including PDF Unlocker, JSON Formatter, UNIX Timestamp Converter, URL Parser, and Base64 Encoder/Decoder.
Understanding Color Formats: HEX, RGB, and HSL
March 25, 2024
A breakdown of the different ways computers represent color, and when you should use each one.
How HTML Formatting Works
March 24, 2024
Why minified HTML is unreadable and how formatters make it beautiful again.
SHA-256 vs SHA-512: Which Should You Use?
March 23, 2024
A comparison of the SHA-2 family of cryptographic hashes, their differences, and when to use them.
How to Convert Unix Timestamp to Date
March 22, 2024
Understand Unix time, why computers use it, and how to convert it to human-readable dates.
What Is Base64 Encoding?
March 21, 2024
A deep dive into Base64 encoding, why it was invented, and how it safely transfers data.
How to Decode a JWT Token
March 20, 2024
Everything you need to know about JSON Web Tokens, how they work, and how to decode them.