The developer toolkit that just works.
Generators, converters, formatters, and utilities. Fast, free, and quietly designed for the way you actually work.
Trending
Password Generator
Create strong, secure passwords instantly.
Lorem Ipsum Generator
Placeholder text, any length.
UUID Generator
RFC-4122 UUIDs.
JSON ↔ YAML
Convert between JSON and YAML.
JSON Formatter
Pretty-print and validate JSON.
Regex Tester
Test regex with live matches.
Regex Pattern Library
Common patterns, ready to copy or combine.
JSON → TypeScript
Generate TypeScript interfaces from any JSON.
CSS Gradient Generator
Beautiful CSS gradients.
QR Code Generator
Generate QR codes.
Meta Tag Generator
SEO meta tags.
Pomodoro Timer
Focus with 25/5 cycles.
Generators
Password Generator
Create strong, secure passwords instantly.
Username Generator
Unique usernames for any platform.
Business Name Generator
Brandable business names.
Startup Name Generator
Startup names that pop.
Domain Name Ideas
Available-sounding domain ideas.
Slogan Generator
Catchy taglines and slogans.
Blog Title Generator
Click-worthy blog titles.
YouTube Title Generator
Hooky YouTube titles.
Tweet Starter Generator
Post templates ready to customize.
Hashtag Generator
Relevant hashtag suggestions from any topic.
Lorem Ipsum Generator
Placeholder text, any length.
Fake Address Generator
Realistic mock addresses.
Fake User Generator
Test users with profiles.
Random Quote Generator
Short quotes for any occasion.
UUID Generator
RFC-4122 UUIDs.
API Key Generator
Secure API keys.
Random String Generator
Random strings, any length.
Random Number Generator
Random numbers in a range.
Converters
JSON ↔ YAML
Convert between JSON and YAML.
JSON ↔ XML
Convert JSON to XML and back.
JSON Formatter
Pretty-print and validate JSON.
CSV ↔ JSON
Convert CSV to JSON and back.
Markdown ↔ HTML
Render Markdown to HTML.
HTML → JSX
Convert HTML markup to React JSX.
HTML → Markdown
Convert HTML back to Markdown.
Base64 Encode/Decode
Encode or decode Base64.
URL Encode/Decode
URI encode & decode.
JWT Decoder
Decode and inspect JWTs.
Unix Timestamp Converter
Epoch ↔ human date.
RGB ↔ HEX
Convert color formats.
HEX ↔ HSL
Convert HEX to HSL.
SVG Optimizer
Compress and clean SVG markup.
Image ↔ Base64
Encode images to Base64 and back.
Number Base Converter
Decimal ↔ Binary/Hex/Octal.
Roman Numerals Converter
Numbers ↔ Roman numerals.
Text Case Converter
camelCase, snake_case, etc.
Binary Converter
Text ↔ binary conversion.
Developer Tools
Regex Tester
Test regex with live matches.
Regex Pattern Library
Common patterns, ready to copy or combine.
JWT Inspector
Inspect JWT header & payload.
Cron Expression Builder
Build and explain cron expressions.
SQL Formatter
Format messy SQL.
SQL Beautifier
Beautify SQL queries.
JSON Diff
Compare two JSON objects line by line.
Text Diff Checker
Line-by-line diff.
JSON → TypeScript
Generate TypeScript interfaces from any JSON.
API Request Builder
Craft and send HTTP requests visually.
Curl Generator
Generate curl commands.
HTTP Status Code Explorer
Search every HTTP status.
UUID Validator
Validate UUID strings.
Hash Generator
SHA-1/256/384/512 hashes.
Hash Checker
Verify a hash matches.
Color Picker
Pick a color, get every format.
Color Palette Generator
Harmonious palettes from any base color.
CSS Gradient Generator
Beautiful CSS gradients.
Box Shadow Generator
Design CSS box-shadows.
CSS Clamp Generator
Fluid typography clamp().
Text Tools
Word Counter
Count words instantly.
Character Counter
Count characters & bytes.
Reading Time
Estimate reading time.
Remove Duplicate Lines
Deduplicate line by line.
Sort Lines
Sort alphabetically.
Reverse Text
Reverse text characters.
Remove Empty Lines
Clean up empty lines.
Text Compare
Compare two texts.
Slug Generator
URL-safe slugs.
Case Converter
Change text casing.
Whitespace Cleaner
Trim & normalize spaces.
Markdown Preview
Live Markdown preview.
Image Tools
Finance
VAT Calculator
Compute VAT easily.
Percentage Calculator
All percentage cases.
Loan Calculator
Estimate loan payments.
Compound Interest
Grow your money over time.
Profit Margin Calculator
Compute profit margins.
Currency Converter
Live exchange rates between currencies.
Invoice Generator
Create clean, printable invoices.