GTools: Developer Swiss Army Knife

About

Stop pasting sensitive data into random websites.

  GTools puts 20 essential developer tools directly in your
  Chrome toolbar. Every tool runs 100% locally in your browser —
   zero network requests, zero telemetry, zero data collection.
  Your JWTs, JSON payloads, and API responses never leave your
  machine.

  TOOLS INCLUDED:

  Payload Modeler — Paste JSON, get a Go struct or TypeScript
  interface instantly
  JSON Formatter — Prettify, minify, and validate JSON with
  syntax highlighting
  JWT Inspector — Decode JWT tokens, inspect header/payload,
  check expiration
  String Utils — Base64, URL encoding, HTML entities — encode
  and decode
  Regex Tester — Write patterns, test against input, see matches
   highlighted live
  Epoch Time — Convert between Unix timestamps and
  human-readable dates
  Hash Generator — SHA-1, SHA-256, SHA-384, SHA-512 using Web
  Crypto API
  Color Converter — HEX, RGB, HSL conversion with a visual color
   picker
  CSS Shadow — Visual box-shadow builder with live preview and
  CSS output
  Lorem Ipsum — Generate placeholder text by paragraphs,
  sentences, or words
  UUID Generator — Batch UUID v4 generation in standard,
  uppercase, or bare format
  Diff Viewer — Side-by-side text comparison with LCS-based diff
   algorithm
  Cron Parser — Explain cron expressions in plain English, see
  next 5 run times
  Number Base — Convert between binary, octal, decimal, and
  hexadecimal
  Markdown Preview — Live side-by-side markdown renderer with
  full syntax support
  QR Generator — Generate QR codes from text or URLs, download
  as PNG
  XML / SQL Formatter — Prettify and minify XML, HTML, and SQL
  queries
  JSON Path — Query JSON with JSONPath expressions, extract
  nested data
  Ticket-to-Git — Turn your current tab's title into a git
  branch name in one click
  State Surgeon — Nuke localStorage, sessionStorage, and cookies
   for the active tab

  PRIVACY FIRST:

  - Only 2 Chrome permissions (activeTab + scripting), both
  require your explicit action
  - No background scripts, no content scripts
  - No analytics, no tracking pixels, no ads
  - No account required, no sign-up, no paywall
  - Open source: https://github.com/venkatdhurjati/GTools

  POP OUT TO FULL TAB:

  Need more screen space? Click the expand button in the
  top-right corner to open GTools in a full browser tab. No
  extra permissions needed.

  KEYBOARD SHORTCUTS:

  / — Focus the sidebar search
  Escape — Clear search and return

  Built by developers, for developers. MIT Licensed.

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  For Category, select Developer Tools.
  For Language, select English.