Developer Tools

Base64 Encoder / Decoder

Encode text or data to Base64 and decode Base64 strings back to plain text instantly.

Binary / Text Converter

Convert text to binary (ASCII codes) and binary back to text. Great for learning how computers store characters.

Color Code Converter

Convert color codes between HEX, RGB, HSL, and HSV formats instantly with a live color preview.

Cron Expression Parser

Decode cron expressions into plain English and preview the next scheduled run times.

CSV to JSON

Convert CSV files or pasted CSV data to JSON format instantly.

HTML Encoder / Decoder

Encode special characters to HTML entities and decode HTML entities back to readable text.

IP Address Lookup

Find geolocation, ISP, and network details for any IP address. Detects your own IP automatically.

Developer Tools 16 uses

JSON Formatter

Format, beautify, and validate JSON data instantly with syntax highlighting and error detection.

JSON to CSV Converter

Convert JSON arrays to CSV format instantly. Handles nested objects and supports custom delimiters.

JWT Decoder

Decode and inspect JWT tokens. View header, payload, and check expiration — all in your browser.

MD5 Hash Generator

Generate the MD5 hash of any text string instantly. Useful for checksums, data verification, and learning about hashing.

Morse Code Translator

Translate text to Morse code and Morse code back to text. Listen to the audio beeps.

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal bases instantly.

Password Generator

Generate strong, random passwords of any length with uppercase, lowercase, numbers, and symbols.

Random Number Generator

Generate cryptographically random numbers within any range. Supports integers, decimals, and bulk generation.

Regex Tester

Test regular expressions against text with live match highlighting, group extraction, and flag support.

SHA-256 Hash Generator

Generate cryptographically secure SHA-256 hashes from any text. The gold standard for data integrity verification.

Temperature Converter

Instantly convert temperatures between Celsius, Fahrenheit, Kelvin, and Rankine.

Time Zone Converter

Convert times between any world time zones with a live world clock.

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa. Shows your current timestamp live.

URL Encoder / Decoder

Encode special characters in URLs using percent-encoding, or decode percent-encoded URLs back to readable text.

UUID Generator

Generate random UUID v4 strings instantly. Bulk generate up to 100 UUIDs at once.