Encoders & Decoders
Base64, URL, hex, binary & more
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Free online developer tools
Free Online Developer Tools — Encoders, Formatters, Generators & Utilities
Help2Code is a free collection of 400+ online developer tools designed to help programmers, system administrators, and content teams work faster. From Base64 encoding and URL percent-encoding to JSON formatting, QR code generation, password hashing, and Laravel boilerplate — every tool runs 100% in your browser with no data uploads and no registration required.
Whether you need to encode a string, validate JSON, generate a bcrypt hash, check SSL certificate details, or create a migration file for your Laravel project, Help2Code has a purpose-built tool ready in one click.
What you can do here
A focused collection of tools for faster coding, content prep, and technical checks.
Encode & Decode
Handle Base64, URL, HTML entities, hex, binary, Unicode, and text format conversions instantly.
Hash & Encrypt
Generate MD5, SHA, bcrypt, Argon2 hashes, AES encrypt/decrypt, and check password strength.
Format & Validate
Beautify, minify, and validate JSON, SQL, XML, YAML, and HTML with built-in syntax checking.
Generate & Convert
Create QR codes, UUIDs, passwords, API keys, JWT tokens, and convert between data formats.
400+
Free Online Tools
7
Tool Categories
100%
Client-Side Processing
0
Data Uploads or Logins
Categories
Browse by Category
Pick a category to see the full tool list, or use search if you already know what you need.
Hash & Security
Hashes, encryption & password tools
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Utilities
Everyday developer utilities
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Converter Tools
Units, dates, currency & math
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Laravel Tools
Generate Laravel code faster
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Tailwind Tools
Build Tailwind UI & configs
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Web Dev Tools
Formatters, validators & web tools
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Why developers choose Help2Code
Built by Developers, for Developers
Every tool is designed with practical developer workflows in mind — fast, private, and free.
100% Client-Side Processing
Every tool runs entirely in your browser. Your data never leaves your device — no uploads, no servers, no logging.
400+ Developer Tools
From Base64 encoding to Laravel migration generation, our comprehensive collection covers encoders, formatters, generators, security tools, and more.
No Registration Required
All tools are free and accessible immediately. No account creation, no API keys, no rate limits — just open and use.
Regularly Updated
New tools and features are added regularly based on developer feedback and industry needs.
Highlights
Popular Developer Tools
The tools developers reach for most often across encoding, formatting, security, and conversion workflows.
Base64 Encoder & Decoder
Encode and decode Base64 text for APIs, data URIs, and quick data transfer.
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JSON Formatter
Beautify, validate, and minify JSON with instant error detection.
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QR Code Generator
Create QR codes for URLs, Wi-Fi networks, contacts, and events.
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Password Generator
Generate strong, random passwords with configurable rules.
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URL Encoder & Decoder
Encode or decode URLs and query strings safely.
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JWT Decoder & Validator
Decode, validate, and inspect JWT tokens in your browser.
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Bcrypt Generator
Generate bcrypt password hashes with an adjustable cost factor.
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UUID & ULID Generator
Generate UUID v4 and ULID identifiers in bulk.
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Cron Expression Parser
Parse and explain cron expressions in plain English.
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Text Case Converter
Convert text between camelCase, snake_case, title case, and more.
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Image Resizer
Resize images to exact dimensions directly in your browser.
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CSS Gradient Generator
Build CSS gradients visually and copy production-ready code.
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New
Recently Added
The latest tools and updates in the Help2Code catalog.
CSS Minifier
Minify CSS code
Utilities
CSS Wave Divider Generator
Generate CSS wave dividers with multiple wave styles (sine, sharp, jagged, layered, curve), position (top/bot…
Web Dev Tools
CSV Cleaner
Clean CSV data by removing duplicate rows, trimming whitespace, normalizing delimiters, and fixing encoding i…
Web Dev Tools
Empty Line Remover
Remove blank lines from text/code
Utilities
File Hash Checker
Compute file checksums with MD5, SHA1, SHA256, SHA512, and CRC32
Hash & Security
JavaScript Beautifier & Formatter
Format and beautify JavaScript/JSX/TSX code with configurable indentation, semicolons, and quote style
Web Dev Tools
Palindrome Checker
Check if text is a palindrome, find palindromic substrings, and analyze character-level symmetry
Web Dev Tools
Parquet Viewer
View and inspect Apache Parquet file metadata — schema, row groups, compression, encodings, and key-value met…
Web Dev Tools
FAQ
Frequently Asked Questions
Are these tools really free?
Yes, every tool on Help2Code is completely free to use. There are no hidden charges, premium tiers, or usage limits. We believe developer tools should be accessible to everyone.
Do you store my data?
No. All processing happens locally in your browser using JavaScript. Your data, passwords, code, and files never leave your device. We do not upload, store, or log anything you enter into any tool.
Do I need to create an account?
No registration or login is required. All tools are available instantly to anyone. Just open the page and start using the tool.
What tools does Help2Code offer?
Help2Code offers over 400 tools across 7 main categories: Encoders & Decoders, Hash & Security, Utilities, Converter Tools, Laravel Tools, Tailwind Tools, Web Dev Tools. Popular tools include Base64 encoder/decoder, JSON formatter, QR code generator, password generator, and bcrypt generator.
Can I use these tools on mobile?
Yes, all tools are designed with responsive layouts that work on desktops, tablets, and mobile phones. The interface adapts to your screen size for comfortable use on any device.