CalcChef tool collections
All Tool Categories
566 free tools that run in your browser, grouped into 20 categories. Pick a category to see every tool in it.
Audio Tools
Convert audio, generate tones, tune an instrument, or keep time without uploading files to a server.
5 tools
Conversion Tools
Make everyday measurements and project estimates easier with quick, transparent conversions for common units and practical jobs.
39 tools
Cooking and Kitchen Tools
Make recipes more dependable with practical conversion, ratio, timing, and food-preparation helpers for the home kitchen.
29 tools
CSS Tools
Build and refine interface styles faster with visual CSS generators and copy-ready values for common layout and design tasks.
26 tools
Date and Time Tools
Plan dates, compare time zones, and calculate durations without spreadsheet formulas or account sign-ups.
17 tools
Developer Tools
Work with JSON, encodings, regex, UUIDs, and developer formats in browser-based utilities.
74 tools
Education Tools
Use straightforward study and grade tools to understand progress and plan the next assignment or exam.
9 tools
Everyday Tools
Solve small, useful tasks quickly with calculators and helpers for home, travel, games, and everyday decisions.
39 tools
Finance Tools
Explore common money decisions with clear calculations for borrowing, saving, income, and day-to-day costs.
86 tools
Food Safety Tools
Use these tools as a planning aid for safer food preparation, then follow current official food-safety guidance for your situation.
1 tool
Hardware Tools
Check common electronics and hardware calculations before you build, troubleshoot, or buy components.
7 tools
Health and Fitness Tools
Use these tools for general education and planning. They do not replace individualized medical advice, diagnosis, or treatment.
64 tools
Image Tools
Handle common image edits locally in your browser, from resizing and cropping to favicon creation.
7 tools
Maker Tools
Plan hands-on projects with quick estimates that help you size materials and understand costs before starting.
4 tools
Math Calculators
Get fast answers for basic arithmetic and more involved math problems, with tools for common school, work, and home calculations.
58 tools
Media Tools
Use local browser tools for common media work, including recording, color extraction, format conversion, and capture.
7 tools
Planning Tools
Turn choices and goals into a practical next step with simple planners, scorecards, and schedules.
4 tools
Science and Engineering Tools
Explore science and engineering calculations with practical tools for formulas, systems, projects, and field work.
44 tools
Text Tools
Clean up text, find patterns, generate copy, and check writing details without uploading your text to a server.
33 tools
Web Tools
Handle routine web, SEO, and link-building tasks with tools that run directly in your browser.
13 tools
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