Developer Tools
30 client-side tools for security, encoding, generation, and more. All tools run locally in your browser with no data transmission.
Security
Password generators, hash tools, and security utilities for protecting your data.
Password Generator
Generate cryptographically secure random passwords with customizable length and character sets.
Password Strength Checker
Analyze password strength with entropy estimation, pattern detection, and improvement suggestions.
Random Token Generator
Create secure random tokens in hex, base64, or alphanumeric format for sessions, CSRF, and more.
API Key Generator
Generate secure API keys with custom prefixes, formats, and lengths for your applications.
Bcrypt Hash Generator
Generate bcrypt password hashes with adjustable cost factor for secure password storage.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) to view header, payload, and signature info.
SHA256 Hash Generator
Generate SHA-256 hashes from text using the Web Crypto API. Fast, secure, and runs entirely in your browser.
MD5 Hash Generator
Generate MD5 hashes from text. Useful for checksums and legacy compatibility—not recommended for security.
Dev Utilities
JSON formatters, encoders, converters, and essential developer tools.
UUID Generator
Generate RFC 4122 compliant UUIDs (v4) using cryptographically secure randomness.
JSON Formatter & Validator
Format, validate, and beautify JSON with error detection.
JSON Minify
Minify JSON by removing whitespace and newlines. Validates syntax and shows friendly errors.
JSON to CSV Converter
Convert JSON arrays of objects to CSV. Validates JSON, generates headers, and lets you copy or download the result.
CSV to JSON Converter
Convert CSV to JSON (array of objects). Uses the first row as headers, handles quoted fields, and outputs formatted JSON.
JSON Diff / JSON Compare
Compare two JSON documents to see if they are equivalent and get a readable list of differences by path.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings back to plain text.
URL Encoder/Decoder
Encode special characters for URLs or decode percent-encoded strings.
Markdown Preview
Write and preview Markdown with real-time rendering.
HTML Encoder/Decoder
Encode text to HTML entities or decode HTML entities back to plain text. Handles < > & " and more.
Timestamp Converter
Convert between Unix timestamps, ISO 8601, and human-readable formats.
Regex Tester
Test and debug regular expressions with real-time matching and groups.
Generators
Random strings, colors, Lorem Ipsum, and text manipulation tools.
Random String Generator
Generate random strings with custom character sets, lengths, and formats.
Lorem Ipsum Generator
Generate placeholder text as paragraphs, sentences, or words.
Random Number Generator
Generate random numbers within a range (integers or decimals).
Random Color Generator
Generate random colors in HEX, RGB, and HSL with preview and palette options.
Slugify Text
Convert text to URL-friendly slugs with separators and transliteration.
Text Case Converter
Convert text between lowercase, UPPERCASE, Title Case, camelCase, snake_case and more.
Whitespace Cleaner
Remove extra whitespace, trim lines, normalize line endings, and clean messy text.
QR Code Generator
Generate QR codes for URLs, text, Wi‑Fi, and more. Preview instantly and download as PNG or SVG.
Word Counter
Count words, lines, paragraphs, and characters in your text. Simple and fast.
Character Counter
Count characters with and without spaces. Useful for tweets, meta descriptions, and character limits.