Developer Reference

Code Snippet Gallery

Copy-paste code examples for common developer tasks. Base64, URL encoding, JSON, regex, and hashing — in every language.

Base64 Encode/Decode in Every Language

16 examples

Copy-paste Base64 encoding and decoding examples for JavaScript, Python, PHP, Go, Java, Rust, C#, Ruby, and more.

Encoding /tools/base64-encoder/

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URL Encode/Decode in Every Language

15 examples

Copy-paste URL encoding and decoding snippets for JavaScript, Python, PHP, Go, Java, Rust, and more. Handle special characters correctly.

Encoding /tools/url-encoder/

{ }

JSON Format, Parse & Validate in Every Language

15 examples

Copy-paste JSON formatting, parsing, validation, and manipulation examples for JavaScript, Python, PHP, Go, Java, and more.

Data Formats /tools/json-formatter/

Regex Patterns for Email, IP, URL, Phone & More

15 examples

Battle-tested regular expression patterns for email validation, IP matching, URL extraction, phone numbers, and more. Ready to use in any language.

Text Processing /tools/regex-tester/

Hash Functions in Every Language: MD5, SHA256, bcrypt

14 examples

Copy-paste hashing examples: MD5, SHA-1, SHA-256, SHA-512, bcrypt, and HMAC. Ready-to-use code for JavaScript, Python, PHP, Go, Java, and Rust.

Security /tools/hash-generator/

Popular Snippets

B64

Base64 Encode a String in JavaScript

Use the built-in btoa() function to encode a UTF-8 string to Base64 in the browser or Node.js.

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B64

Base64 Decode a String in JavaScript

Use atob() to decode Base64 back to a plain string.

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URL Encode in JavaScript

JavaScript provides encodeURIComponent() for query params and encodeURI() for full URLs.

javascript

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URL Decode in JavaScript

Decode URL-encoded strings back to readable text.

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{ }

Pretty-Print JSON in JavaScript

Format JSON with indentation using JSON.stringify().

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{ }

Minify JSON in JavaScript

Remove all whitespace from JSON to minimize size.

javascript

Email Validation Regex

Validate email addresses with a practical regex pattern.

javascript

Email Validation Regex in Python

Validate and extract emails using Python's re module.

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SHA-256 Hash in JavaScript (Browser)

Use the Web Crypto API for SHA-256 hashing in the browser.

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MD5, SHA-256, SHA-512 in Node.js

Use the built-in crypto module for hashing in Node.js.

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Languages Covered

JavaScript

Python

PHP

Java

Rust

Ruby

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