Free tools for developers, security & everyday tasks
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Popular Tools
Password Generator
Create strong, secure passwords instantly with customizable length and character types.
- Instant generation
- Custom length
- Multiple character types
JSON Formatter
Format, validate, and beautify JSON data with syntax highlighting.
- JSON validation
- Syntax highlighting
- Minify/Prettify
Password Strength Tester
Test the strength of your existing passwords and get improvement suggestions.
- Real-time analysis
- Common password check
- Improvement tips
JWT Decoder
Decode and verify JSON Web Tokens (JWT) with header, payload, and signature analysis.
- JWT decoding
- Signature verification
- Token analysis
Base64 Converter
Encode and decode Base64 strings with support for text and files.
- Encode/Decode
- File support
- URL safe encoding
UUID Generator
Generate universally unique identifiers (UUID) with RFC 4122 compliance.
- RFC 4122 compliant
- Multiple UUID versions
- Batch generation
QR Code Generator
Generate custom QR codes instantly for URLs, text, and more.
- Custom QR codes
- Multiple formats
- Download options
Domain Analyzer
Analyze a public domain for DNS health, HTTPS setup, security headers, and on-page SEO gaps.
- Instant summary
- DNS snapshot
- HTTPS & header checks
Security Tools
Generate, test, and protect your passwords and data — password generators, 2FA, encryption, breach checking, and security audits.
Password Generator
Create strong, secure passwords instantly with customizable length and character types.
- Instant generation
- Custom length
- Multiple character types
Passphrase Generator
Generate memorable yet secure passphrases using multiple words.
- Word count options
- Separator customization
- Easy to remember
Password Strength Tester
Test the strength of your existing passwords and get improvement suggestions.
- Real-time analysis
- Common password check
- Improvement tips
PIN Generator
Create secure numeric PIN codes for banking and device security.
- 4-12 digit PINs
- No repeating patterns
- Banking standards
2FA Authenticator
Generate time-based one-time passwords for two-factor authentication.
- TOTP generation
- Multiple accounts
- Backup codes
Data Encryption
Encrypt and decrypt sensitive data with military-grade encryption.
- AES-256 encryption
- File encryption
- Text encryption
Developer Tools
Format, decode, and convert data for everyday development work — JSON, JWT, Base64, CSV, and code utilities.
JSON Formatter
Format, validate, and beautify JSON data with syntax highlighting.
- JSON validation
- Syntax highlighting
- Minify/Prettify
JWT Decoder
Decode and verify JSON Web Tokens (JWT) with header, payload, and signature analysis.
- JWT decoding
- Signature verification
- Token analysis
Base64 Converter
Encode and decode Base64 strings with support for text and files.
- Encode/Decode
- File support
- URL safe encoding
CSV to JSON Converter
Convert CSV files and data to JSON format with customizable options.
- CSV parsing
- Custom delimiters
- JSON formatting
JSON to CSV Converter
Convert JSON data to CSV format for spreadsheet applications.
- JSON parsing
- Custom headers
- CSV formatting
Code Tools
Various tools for developers including formatters, minifiers, and validators.
- Code formatting
- Syntax highlighting
- Code minification
Website Tools
Check DNS, HTTPS, security headers, and IP details for any public domain.
Domain Analyzer
Analyze a public domain for DNS health, HTTPS setup, security headers, and on-page SEO gaps.
- Instant summary
- DNS snapshot
- HTTPS & header checks
IP Lookup
Get detailed information about IP addresses including location, ISP, and more.
- IP geolocation
- ISP information
- ASN lookup
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