jwt-decoder

A collection of developer utilities in a single desktop application

Web app that can hash/hmac, encrypt/decrypt, and sign/verify the data, debug JWT tokens, parse and edit ASN1 structures, compute diffs, and more

JWT Debugger — Use JWT Debugger free on ToolAdda — quick, accurate, and browser-based. Free on ToolAdda.online.

85 free browser-based developer tools — AES, SHA, JWT, Base64, JSON, Regex, Diff, QR and more. 100% client-side. No login. No tracking.

Privacy-first URL analyzer. Parse, decode & inspect URLs in the browser — JWT, timestamps, Base64, JSON. No data sent to servers.

Plain toolbelt for developers

A simple JWT decoder extension for VS Code

Web application to track and analyze workout data.

Free, open-source developer utilities that run entirely in your browser. 700+ tools across 34 categories.

A self-hosted, privacy-first developer toolkit. JSON formatter, diff checker, Base64 codec, code beautifier, regex tester, URL codec, JWT decoder, and color converter. All running 100% client-side. No tracking, no cookies, no server calls, no logging

9-in-1 browser-based developer toolkit. Single HTML file. No dependencies.

Developer-focused cookie manager for security learning and backend testing.

Native macOS developer toolbox. Paste anything, get it formatted, decoded or converted. Fully local, no telemetry.

BLACKSURFACE is an offensive security reconnaissance and attack-surface mapping platform designed for bug bounty hunters, red teamers, and Penetration Testers. It centralizes reconnaissance workflows, tools, and intelligence into a single, high-impact command interface.

Decode JWTs, verify signatures, and decrypt JWEs with clear, syntax-highlighted output. Everything runs locally, so your tokens never leave your machine.

A fast Notepad replacement for Windows. Detects what you paste (JSON, JWT, Base64) and transforms it in place. Auto-saves everything, no telemetry, fully offline. .NET 10 + WPF.

Free browser-based developer tools — JSON formatter, JWT decoder, regex tester, UUID generator, and more. No signup, no tracking, no server.

JSON Web Tokens decoder

Decode and verify JWTs fully offline — one HTML file, CSP-provable no network

El Sistema Ideal para tu escuela Ideal