Developer Toolbox

by miten25tallewar@gmail.com · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Developer tools for formatting JSON and SQL, Base64, UUIDs, hashes, timestamps, and text case conversion.

Users

−1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#264K

#220K among extensions

Version

1.0.0

updated 20 Jul 2026

Users

monthly, 3 months

Latest, 16 Oct 2026: 4 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 16 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Developer Toolbox

Developer Toolbox is a lightweight Chrome extension that brings essential developer utilities together in one convenient place. Features: • Format and minify JSON • Format and minify SQL • Encode and decode Base64 • Generate UUIDs • Generate SHA-256, SHA-384, and SHA-512 hashes • Convert Unix timestamps to dates and dates to Unix timestamps • Convert text to uppercase, lowercase, title case, and sentence case Developer Toolbox is designed for quick everyday development tasks without needing to visit multiple online tools. All tool input and output is processed locally within your browser. The extension does not send your tool input or generated output to external servers. Version 1.0.0 does not require additional Chrome permissions. Keyboard shortcuts: • Ctrl + Enter — Run the primary action • Ctrl + Shift + C — Copy output • Esc — Clear the current tool