773511 Developer Tools

Online Developer Tools and Practical Technical References

Professional Browser-Based Developer Toolkit

Common Developer Tools In One Clear Workspace

Use practical browser-based tools for passwords, JSON, encoding, JWT, hashing, timestamps, regex and query strings, with straightforward supporting pages and responsive layouts.

How To Use

  1. Choose one tool from the list below.
  2. Paste or enter the content you want to process.
  3. Review the result, then copy or download it.

Personalized Workspace

Quick Links

Save frequently used tools, return to recent work quickly and keep your most useful entry points close at hand.

Favorite Tools

Pin the tools you rely on most often so they stay easy to reach from the homepage and tool pages.

Recently Used

Reopen tools you used recently without searching through the full list again.

Featured Tools

PW

Password Generator and UUID Generator

Create strong passwords and UUID v4 or UUID v7 values in your browser with flexible length, quantity and character settings.

Password / UUID Open Tool
JSON

JSON Formatter, Validator and Viewer

Format, validate, minify and inspect JSON in one browser-based workspace with code view and tree view.

JSON Formatter Open Tool
B64

URL Encoding and Base64 Conversion Tool

Encode or decode URL text, Base64 and Base64URL values in one browser-based workspace.

URL / Base64 Open Tool
JWT

JWT Decoder and Signature Verifier

Decode JWT tokens, inspect claims and verify HS256, HS384 or HS512 signatures directly in the browser.

JWT Debugger Open Tool
HASH

Hash Generator and Hash Verifier

Generate MD5, SHA-1, SHA-256, SHA-512 and HMAC values, then compare them against an expected hash in the browser.

Hash Generator Open Tool
TIME

Timestamp and Date Converter

Convert Unix timestamps and date strings into readable formats for API checks, logs and time-based debugging.

Timestamp Open Tool
RGX

Regex Tester and Replacement Preview

Test regular expressions, inspect matches and preview replacement results in a browser-based workspace.

Regex Tester Open Tool
QS

Query String Parser and Query Builder

Parse query strings or full URLs, inspect decoded parameters and build clean query strings from editable rows.

Query String Open Tool