Tool Studio4 tools in this category
Comprehensive token tool to decode, verify, and generate JWT (JSON Web Tokens) and PASETO (Platform-Agnostic SEcurity TOkens) instantly. View header, payload, and signature sections with syntax-highlighted JSON. Generate new tokens with custom payloads. Perfect for developers debugging authentication tokens, API tokens, and bearer tokens. Features instant real-time decoding as you type, support for both JWT and PASETO token formats, token generation with custom algorithms (HS256, HS384, HS512), three-part visualization showing header/version, payload, and signature/footer separately, color-coded JSON syntax highlighting for easy reading, one-click copy to clipboard for each section, and complete client-side processing for maximum security. All token processing happens entirely in your browser - tokens are never transmitted to any server, ensuring complete privacy and security. Supports all standard JWT formats and PASETO v2/v4. Ideal for debugging authentication flows, inspecting API tokens, generating test tokens, understanding token structure, validating token claims, and learning about modern authentication. No installation or registration required.
Scan and decode QR codes from images or camera instantly. Extract URLs, text, contact info, WiFi credentials, and more from any image containing a QR code or barcode. Fast, secure, and supports multiple formats.
Complete audio testing tool - test your microphone with live waveform visualization and test left/right speakers by recording and playing back audio through specific channels.
Test your device camera, capture photos with live preview, and download images instantly. Perfect for testing camera functionality.