About Awesome Toolkit
174 free tools for everyday tasks. No account. No data sent to any server.
What is Awesome Toolkit?
Awesome Toolkit is a collection of free online utilities built for developers, designers, and anyone who needs a reliable tool at hand. It covers text and code manipulation, image processing, developer tools, health and sport tracking, personal finance, cooking, gardening, and more.
Every tool runs directly in your browser. Nothing you type or upload is sent to a server. No account is needed and no subscription is required.
Why free and client-side?
Many online tools push you toward a paid plan, require an email address, or process your data on a remote server. That last point matters when the input is sensitive: a financial spreadsheet, a health measurement, or a private document.
Awesome Toolkit was built around a different approach: keep everything local. The code runs in your browser, on your machine. The server never sees your data.
What's available
174 tools across 15 categories:
- Text & Code – Markdown preview, character counter, diff tool, regex tester, text statistics, case converter...
- Developer – JSON formatter, base64 encoder, hash generator, JWT decoder, colour converter, UUID generator...
- Image & Web – Colour picker, image resizer, aspect ratio calculator, meta tag previewer, colour palette generator...
- File & Data – CSV to JSON, XML formatter, TOML parser, YAML converter, JSON comparator...
- Office – Word counter, reading time, invoice generator, number formatter...
- Health – BMI calculator, blood pressure log, calorie counter, sleep tracker, body fat estimator...
- Sport – Running pace, split planner, one-rep max, interval timer, VO2 max estimator...
- Finance – Compound interest, budget planner, bill splitter, currency converter, loan calculator...
- Kitchen – Cooking conversions, nutritional values, cocktail ratios, recipe scaling, kitchen timer...
- Gardening – Compost ratios, planting calendar, soil coverage calculator...
- Reading & Hobbies – Book tracker, reading goal planner, row counter for knitting, fabric yardage...
Who is behind it?
Awesome Toolkit is built and maintained by Marshkalk, a web developer based in France. The site is updated regularly with new tools and articles covering the topics each tool addresses.
Contact
For feedback, bug reports, or tool suggestions: contact@marshkalk.com