Toolkits

Curated bundles of free, browser-only tools — grouped by role so you can find a focused workspace instead of scrolling 140+ tools. Each toolkit has a featured tool, a relevant tool grid, and a real workflow example.

33 tools
Frontend Developer
CSS generators, formatters, image optimizers, and SEO meta tools.
Open toolkit
38 tools
Backend Developer
API tester, JWT, hashing, JSON Schema, cron, and protocol references.
Open toolkit
26 tools
Designer
Color picking, palette building, image processing, CSS generators.
Open toolkit
32 tools
DevOps & SRE
CIDR, chmod, cron, hashing, encryption, JWT, timezone math.
Open toolkit
27 tools
Writer & Editor
Markdown editing, text ops, OCR, character lookup, productivity timers.
Open toolkit
32 tools
Student
Pomodoro timer, calculators, OCR for scans, unit conversion, productivity tools.
Open toolkit