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Developer Tools Collection

A comprehensive collection of essential developer tools for data conversion, testing, encoding, and more. All tools work offline in your browser.

Data Converters

Convert between different data formats

Multi-Format Data Converter

Ready to use

Convert between JSON, YAML, XML, TOML, CSV, TSV, INI, BSON, NDJSON, SQL, and MessagePack formats

JSON Parser & Formatter

Ready to use

Format JSON and convert between JSON strings and objects

YAML to JSON Converter

Ready to use

Convert between YAML and JSON formats with validation

XML to JSON Converter

Ready to use

Convert between XML and JSON formats with validation

SQL to JSON/CSV Converter

Ready to use

Convert SQL query results to JSON/CSV, generate INSERT statements from JSON/CSV, and create table schemas. Support for MySQL, PostgreSQL, SQLite.

Markdown to HTML Converter

Ready to use

Convert between Markdown and HTML formats

TSV to JSON/CSV Converter

Ready to use

Convert between TSV and JSON/CSV formats

INI to JSON/YAML Converter

Ready to use

Convert between INI and JSON/YAML formats

Convert text case, encoding and format and change casing of text

Convert CSV data to JSON format

Convert Unix timestamps to human-readable dates and vice versa with support for multiple formats

Convert between bits, bytes, KB, MB, GB, TB and other data storage units

Convert between RGB, HEX, HSL, and CMYK color formats with real-time preview

Generators

Generate various types of data and identifiers

UUID Generator

Ready to use

Generate UUID v1, v4 and other variants

Generate secure passwords with custom rules

Generate placeholder text for designs

Generate color palettes and schemes

Generate SEO-optimized meta tags for better search engine visibility and social media sharing

Generate robots.txt files to control search engine crawling with sitemap URLs and user-agent rules

Testers & Validators

Test and validate various data formats

Regex Tester

Ready to use

Test regular expressions with live matching

Validate JSON syntax, structure and minfied the json

Test URL validity and structure

Test and validate cron expressions

Text Transformers

Transform and manipulate text in creative and coding ways

Case Converter

Ready to use

Convert between camelCase, snake_case, kebab-case, PascalCase, and CONSTANT_CASE

Text Reverser & Zigzag

Ready to use

Reverse text, create zigzag patterns, and other text manipulations

ROT13 & Caesar Cipher

Ready to use

Encode and decode text using ROT13 and Caesar cipher with custom shifts

Text Repeater & Duplicator

Ready to use

Repeat text multiple times with custom separators and patterns

Morse Code Translator

Ready to use

Convert text to Morse code and vice versa with audio playback

Leet Speak (1337) Converter

Ready to use

Convert text to leet speak (1337) and back to normal text

Translate text to Pig Latin and back to English

Upside Down Text Generator

Ready to use

Flip text upside down using Unicode characters

Create creepy glitched text with combining characters

Translate words or phrases into sequences of emojis for fun messages

Convert images or text into ASCII art for plain text environments

Difference Checker

Compare and find differences between data

Text Diff

Ready to use

Compare two text blocks and highlight differences

Compare two images and visualize differences

Minify/Prettify Tools

Minify or beautify code in various languages

JavaScript Formatter & Beautifier

Ready to use

Minify or beautify JavaScript code with advanced formatting options

Minify or beautify CSS stylesheets

Minify or beautify HTML markup

Format and beautify SQL queries with support for multiple dialects including MySQL, PostgreSQL, SQL Server, and Oracle

Format and Minfied the JSON

Ready to use

Validate JSON syntax and structure and minfied the json

Encoders & Decoders

Encode and decode various data formats

Image to Base64/Binary Converter

Ready to use

Convert images to/from Base64 and binary with live preview and download support

Electronics & Number System Converter

Ready to use

Convert between Base64, Base32, Binary, Decimal, Hexadecimal, Octal, BCD, Gray Code, Excess-3, ASCII, Unicode, UTF-8 and more. Perfect for electronics, computer science, and programming.

Base64 Encoder/Decoder

Ready to use

Encode and decode Base64 strings

Encode and decode URL components

Decode and inspect JWT tokens

Generate MD5, SHA1, SHA256 hashes

Hashing & Checksums

Generate and verify cryptographic hashes and checksums

MD5 Hash Generator

Ready to use

Generate MD5 hashes for text and files with verification

Generate SHA-1 hashes for text and files

SHA-256 Hash Generator

Ready to use

Generate SHA-256 hashes for text and files with high security

SHA-512 Hash Generator

Ready to use

Generate SHA-512 hashes for maximum security applications

Generate HMAC (Hash-based Message Authentication Code) with custom keys

Generate CRC32 checksums for data integrity verification

Verify and compare hash values for file integrity checking

Calculate multiple hash types for uploaded files simultaneously

Bcrypt Hash Generator

Ready to use

Generate bcrypt hashes for secure password storage

Argon2 Hash Generator

Ready to use

Generate Argon2 hashes for modern password security

Encryption & Decryption

Encrypt and decrypt data using various cryptographic algorithms

AES Encryption/Decryption

Ready to use

Encrypt and decrypt text using AES (Advanced Encryption Standard) with multiple modes

RSA Encryption/Decryption

Ready to use

Encrypt and decrypt text using RSA public-key cryptography

Encrypt and decrypt text using DES and Triple DES algorithms

Encrypt and decrypt text using the Blowfish symmetric cipher

Encrypt and decrypt text using the classic Caesar cipher with custom shifts

Encrypt and decrypt text using the Vigenère polyalphabetic cipher

Password Encryption Tool

Ready to use

Encrypt passwords using various algorithms for secure storage

PGP Encryption/Decryption

Ready to use

Encrypt and decrypt messages using PGP (Pretty Good Privacy)

Generate and sign JWT tokens with custom claims and algorithms

Encrypt and decrypt data using Fernet symmetric encryption

Digital Signatures

Create and verify digital signatures for data authentication

Digital Signature

Ready to use

Create and verify digital signatures for data integrity and authentication

ElGamal Digital Signature

Ready to use

Create and verify digital signatures using the ElGamal algorithm

Cryptographic Simulators

Interactive simulators for various cryptographic protocols and algorithms

Key Exchange Simulator

Ready to use

Simulate secure key exchange protocols like Diffie-Hellman

RSA Algorithm Simulator

Ready to use

Interactive simulation of RSA key generation, encryption and decryption process

Hashing Algorithm Visualizer

Ready to use

Visualize how different hashing algorithms transform input data

Block Cipher Simulator

Ready to use

Simulate the operations of block ciphers like AES and DES

Random Number Generator Simulator

Ready to use

Visualize and compare different cryptographic random number generation algorithms

QR Code & Barcode Generators

Generate QR codes and barcodes for various purposes

QR Code Generator

Ready to use

Generate QR codes for text, URLs, WiFi, contacts, and more with customization options

Generate various barcode formats including Code128, Code39, EAN, UPC, and more

Generate QR codes for WiFi network sharing with password encryption

Generate QR codes for contact information sharing (vCard format)

Generate multiple QR codes at once from CSV or text list