Dev Toolbox icon

Dev Toolbox

by Chris Nanney · Developer Tools
FeaturedManifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Dev Toolbox provides quick offline access to various development tools.

Users
151
+4 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#72K
#60K among extensions
Version
1.1.8
updated 15 Feb 2024

Users

monthly, 3 years
1083156Aug 2023Apr 2025Oct 2026
Latest, 16 Oct 2026: 151 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
001Aug 2023Apr 2025Oct 2026
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 Dev Toolbox

Current tool set: 1. Calculate hashes 2. Encode and decode HTML, URI, Base64 3. Convert number between different bases 4. Parse and manipulate various time formats 5. Format and inspect IPv4/CIDR addresses 6. Search all v15.0 emoji with quick copying Runs entirely offline, and only requires local storage permission to remember the last tool used and its input.

Growth

WindowUsersChangeRatingsRating
7 days+8+5.6%00.00
30 days+4+2.7%00.00
6 months+10+7.1%00.00
1 year0+0.0%00.00

Version history

10 versions recorded
1.1.815 Feb 2024
1.1.623 Apr 2023
1.1.327 Feb 2023
1.1.225 Feb 2023
1.1.020 Jan 2023
1.0.1016 May 2022
1.0.815 May 2022
1.0.45 Apr 2022

Details

Category
Developer Tools
First seen
3 Apr 2022
Size
11.6 MB
Languages
en
Pricing
Free
Support
github.com
Extension ID
amhnlknhjgbaeighicaghmebdmblfoah

Permissions and risk

Minimal riskimpact 0, likelihood 0
Permissions
storage

Alternatives to Dev Toolbox

Extensions that rank for the same store searches or share the Developer Tools category, ordered by users
GoFullPage - Full Page Screen Capture11M users · 4.9 ★ · 84,440 ratings touchenex 확장8M users · 1.2 ★ · 6,328 ratings TrendAI™ Toolbar for Enterprise7M users · 1.2 ★ · 45 ratings SentinelOne6M users · 1.4 ★ · 190 ratings React Developer Tools5M users · 3.5 ★ · 1,644 ratings ColorZilla4M users · 4.7 ★ · 3,939 ratings Take Webpage Screenshots Entirely - FireShot3M users · 4.9 ★ · 52,665 ratings WhatFont3M users · 3.8 ★ · 2,056 ratings