Free online tools that run in your browser
31 utilities for developers and professionals. Nothing to install, no account to make, and nothing you paste is ever uploaded.
All 38 tools
Wheel of Names
Randomly select a name from a list with an interactive spinning wheel
JWT Decoder
Decode, verify, and edit JSON Web Tokens (JWT)
Base64 Encoder/Decoder
Encode and decode text to/from Base64
Hash Generator
Generate cryptographic hashes: MD5, SHA-1, SHA-2 (SHA-224/256/384/512), SHA-3, RIPEMD-160
Image Resizer
Professional image resizing with Lanczos3 algorithm - highest quality results, adjust dimensions, maintain aspect ratio
Timezone Viewer
View current time in multiple timezones with an interactive world map
UUID Generator
Generate random v4 UUIDs
Password Generator
Generate secure random passwords with custom options
TFN Generator
Generate Australian Tax File Numbers (TFN) with valid checksum
TFN Validator
Check whether an Australian Tax File Number is valid
IRD Generator
Generate New Zealand IRD numbers with valid checksum
IRD Validator
Check whether a New Zealand IRD number is valid
ABN Generator
Generate Australian Business Numbers (ABN) with valid checksum
ABN Validator
Check whether an Australian Business Number is valid
Phone Number Generator
Generate random phone numbers for 100+ countries with real numbering plans, including Australia, New Zealand and Vietnam carrier prefixes
JSON Formatter
Format and validate JSON with syntax highlighting
Markdown Editor
Edit and preview Markdown with real-time rendering and syntax highlighting
Text Diff Tool
Compare two texts and highlight differences word-by-word or line-by-line
SVG Editor
Edit and preview SVG code with real-time rendering and syntax highlighting
Cron Expression Tool
Validate, parse, and understand cron expressions with human-readable descriptions
QR Code Generator
Generate QR codes from text, URLs, or any data with customizable options
Color Picker
Pick colors and convert between HEX, RGB, HSL, HSV, HWB, OKLCH, OKLab, Lab, LCH, Display P3 and CMYK, with WCAG and APCA contrast checking
Color Palette Picker
Generate harmonious color palettes in OKLCH, build 50-950 tonal scales, and export to Tailwind, CSS variables or SCSS
Regex Tester
Test and debug regular expressions with real-time matching and highlighting
CSV Editor
Edit, preview, format, and convert CSV data with table view and multiple delimiter support
Emoji Picker
Browse, search, and copy emojis from a comprehensive collection
PDF Toolkit
Merge, split, reorder and rotate PDF pages, convert images to PDF, export pages as images and extract text - all in your browser, no uploads
Photo Editor
Crop, rotate, straighten and colour-correct a photo, blur out anything private and draw on it, without the file ever leaving your device
ACN Generator
Generate Australian Company Numbers (ACN) with valid check digit
ACN Validator
Check an Australian Company Number and see the company ABN it implies
Medicare Number Generator
Generate Australian Medicare card numbers with a valid check digit
Medicare Number Validator
Check whether an Australian Medicare number is well formed
NZBN Generator
Generate New Zealand Business Numbers with a valid GS1 check digit
NZBN Validator
Check whether a New Zealand Business Number is valid
IBAN Generator
Generate valid IBANs for 80+ countries with correct check digits
IBAN Validator
Check an IBAN against the ISO 13616 MOD 97-10 checksum
BSB Lookup
Find the bank and branch behind an Australian BSB, including merged branches
NZ Bank Account Validator
Check a New Zealand bank account number against the IRD check digit rules