Description
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.
---
For Category, select Developer Tools.
For Language, select English.
Reviews
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Permissions (2)
Permissions
activeTabℹ Can access the current tab when you click the extension scriptingℹ Can inject scripts into web pages
Details
| Version | 1.0.0 |
| Updated | Feb 24, 2026 |
| Size | 70.64KiB |
| First Seen | Mar 24, 2026 |
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