11+ developer tools: JSON formatter, comparator, cron decoder/generator, JWT decoder, base64, color picker & more.
Users
5
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#248K
#208K among extensions
Version
0.2.0
updated 17 Jul 2026
Users
monthly, 3 months
Latest, 16 Oct 2026:5 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 16 Oct 2026:0 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 QwickDev - Developer Tools
QwickDev - Developer Tools Extension
Replace 10-15 separate tool websites with QwickDev. An all-in-one developer toolkit with 11+ essential tools built directly into Chrome.
No more tab switching. No ads. No signup. Just productivity.
What's Inside:
✓ JSON Formatter & Validator — Format, minify, validate, and repair JSON
✓ Text & JSON Comparator — Visual side-by-side diffs with character highlighting
✓ Cron Expression Decoder & Generator — Decode cron expressions to human-readable format, generate new expressions, see next run time
✓ Color Picker — 10+ color formats, accessibility checker, color blindness simulator
✓ JWT Decoder — Decode and analyze authentication tokens instantly
✓ Base64 Encoder/Decoder — Encode and decode Base64 strings
✓ Timestamp Converter — Unix timestamps with timezone support
✓ Generators — Passwords, UUIDs, hashes (MD5, SHA1, SHA256)
✓ Tool Search — Find any tool instantly
Why Developers Choose QwickDev:
✓ Lightning Fast — Instant processing, zero delays
✓ Completely Free — No premium tier, no paywalls
✓ Privacy First — 100% local processing, zero data collection
✓ Works Offline — No internet required
✓ Dark Mode — Full light and dark theme support
✓ Keyboard Shortcuts — Optimized for power users
✓ Professional Design — Clean, minimal, modern UI
Real-World Use Cases:
Debug JSON APIs, compare code changes, pick exact colors, decode JWT tokens, understand cron schedules, convert timestamps across timezones, generate secure passwords, validate API responses, check accessibility compliance.
Your Data Stays Private:
All processing happens in your browser. No data collection. No tracking. No telemetry. Your data never leaves your computer.
Get started in seconds—click the QwickDev icon and start using tools instantly. No setup required.
Growth
Window
Users
Change
Ratings
Rating
7 days
−1
−16.7%
0
0.00
30 days
−1
−16.7%
0
0.00
Chrome Web Store search rankings
Where QwickDev - Developer Tools appears when people search the store, with the 30 day change