All Tools
8 tools available — all free and 100% browser-based
Online JSON Formatter
Format, validate and minify JSON online for free. Configurable indentation and 100% browser-based processing.
Online Base64 Encoder and Decoder
Encode and decode Base64 online for free. Full UTF-8 support, processed directly in your browser.
Online UUID Generator
Generate unique v4 UUIDs online for free. Generate up to 50 UUIDs at once and copy easily to your projects.
Online Password Generator
Generate secure random passwords online for free. Configure length, uppercase, numbers and symbols. 100% browser-based.
Online URL Encoder and Decoder
Encode and decode URLs online for free. Encode and decode query parameters and special characters in your browser.
Online Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes online for free. 100% browser-based, no data sent to server.
Online CPF Generator
Generate valid CPF numbers online for free for testing. Validate existing CPFs with digit verification. 100% in browser.
Online CNPJ Generator
Generate valid CNPJ numbers online for free for testing. Validate CNPJs with check digit verification. 100% in browser.