Free tools that run locally in your browser with zero data storage.
Tyzo
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Developer Tools

Developer utilities for faster debugging and cleanup

Format JSON, decode JWT, encode Base64, convert colors, inspect redirects, and handle everyday development tasks with privacy-first browser-based tools built for web developers and programmers.

Tokens stay on device Built for developers Instant browser tools No sign-up
JSON tools JWT & Base64 Color conversion Redirect checks

Start from the task you need to solve

The current page already covers JSON formatting, JWT decoding, Base64 handling, color conversion, and redirect checking. A stronger developer catalog should organize those around practical workflows instead of just a flat list.

Formatting

Clean and validate structured data

Useful when APIs, config files, or pasted payloads need better readability or validation before debugging.

  • Beautify JSON quickly
  • Spot broken structure faster
Encoding

Inspect encoded values safely

Helpful for JWT tokens, Base64 strings, and data passed between services, apps, or client-side tools.

  • Decode without sending data away
  • Safer for keys and token payloads
Debugging

Check web behavior faster

Quick utility tools save time during deployment, troubleshooting, and frontend testing.

  • Inspect redirects and responses
  • Reduce repetitive manual checks
Web UI

Handle visual utility tasks too

Developer work often includes color conversion, asset values, and helper utilities beyond pure code.

  • Convert between color formats
  • Support frontend workflows

Developer tool catalog

This version keeps the current developer-tool positioning around JSON formatting, JWT decoding, Base64 encoding, color conversion, redirect checking, free access, browser-based use, and privacy-first handling of sensitive developer data.

Formatting & validation

2
Formatting

JSON Formatter

Format, validate, and beautify JSON data so payloads are easier to inspect and debug.

API payloads Private
Open tool
Formatting

JSON Validator

Catch malformed JSON faster before it breaks integrations, requests, or frontend rendering.

Open tool

Encoding & decoding

2
Encoding

JWT Decoder

Inspect JWT token payloads quickly while keeping sensitive auth data inside the browser.

Token-safe workflow
Open tool
Encoding

Base64 Encoder / Decoder

Encode and decode strings quickly during integrations, debugging, or data transport tasks.

Open tool

Web utilities

2
Web Utility

Color Converter

Convert HEX, RGB, and other color values for CSS, UI building, and frontend work.

Open tool
Web Utility

URL Encoder / Decoder

Handle encoded URLs for testing, debugging, parameter cleanup, and integration work.

Open tool

Debugging & checks

1
Debugging

Redirect Checker

Inspect redirect paths and status behavior during migrations, SEO changes, or deployment checks.

Open tool
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Cleaner structure for developer trust

The current page already communicates the most important promise: your code, JWT tokens, API keys, and other sensitive developer data do not leave your device, and the tools are free, private, and browser-based. This enhanced version keeps that promise while making the page easier to scan, search, and navigate as a proper developer tools hub.

Sensitive data stays local Built for web developers Fast browser utilities Mobile-friendly layout