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

Plain toolbelt for developers

A simple JWT decoder extension for VS Code

Web application to track and analyze workout data.

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

Minimal TUI for decoding JWT

JSON Web Tokens decoder

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

El Sistema Ideal para tu escuela Ideal

JWT Analyzer is a C# CLI tool that reads, scans, and edits JSON Web Tokens for security analysis. It helps identify common JWT misconfigurations, decode claims, and modify tokens for testing purposes. Designed as an early-stage project for educational and authorized security testing.

Pocket toolkit for developers

JWT-Sem is an educational repository for exploring JSON Web Tokens (JWT) and software security concepts. It includes practical examples and challenges, covering JWT encoding, decoding, signature verification, and simplified RSA operations. The repository also features a web tool with JWT and RSA functionalities to help illustrate these concepts.

Fast, private, client-side developer tools. JSON Formatter, Dummy Data Generator, JWT Decoder. No server calls. No tracking.

11+ free browser-based developer tools — JSON formatter, regex tester, CSS generators, JWT decoder, hash generator & more. No signup, no ads, 100% client-side.

Free online JSON tools for developers – viewer, formatter, validator, JSON to CSV, JWT decoder and more.

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

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.

🔍 Analyze and edit JSON Web Tokens with JwtAnalyzer, a C# CLI tool for security assessments and educational purposes.

Authentication and authorization system. Project developed during the fourth Bootcamp Ignite module 🚀 👨🏻‍🚀