Kanban Board
Drag-and-drop task board that saves to your browser. Plan projects without an account.
Productivity
9 toolsFree · private · no sign-up
Productivity tools
Everyday tools that save minutes every day. Work out percentages and date ranges, convert units, focus with a Pomodoro timer, plan with a Kanban board and polish your writing.
Pomodoro Focus Timer
Focus and break timer with session stats, notifications and keyboard shortcuts.
Productivity
Scientific Calculator
Scientific calculator with graphing, unit conversion and a history tape.
Productivity
New
Percentage Calculator
Percent of a number, percentage change, increase or decrease, and what percent one number is of another.
Productivity
New
Date Calculator
Days between two dates, business days, and adding or subtracting days, weeks or months from a date.
Productivity
Unit Converter
Convert length, weight, temperature, area, volume, speed, data and time instantly.
Productivity
Text Analyzer
Word and character counts, reading time, readability score and keyword density for any text.
Productivity
Markdown Editor
Markdown editor with live preview, templates and HTML export.
Productivity
AI Prompt Optimizer
Turn rough ideas into structured prompts for ChatGPT, Claude and Gemini using the RTF framework.
Productivity
About our productivity tools
The percentage calculator handles discounts, increases and percentage change, the date calculator counts days and business days between dates, and the scientific calculator covers trigonometry, logarithms and graphing.
For deep work, pair the Pomodoro timer with the Kanban board, which saves your tasks in your browser with no account required.
All productivity tools
- Kanban Board: Drag-and-drop task board that saves to your browser. Plan projects without an account.
- Pomodoro Focus Timer: Focus and break timer with session stats, notifications and keyboard shortcuts.
- Scientific Calculator: Scientific calculator with graphing, unit conversion and a history tape.
- Percentage Calculator: Percent of a number, percentage change, increase or decrease, and what percent one number is of another.
- Date Calculator: Days between two dates, business days, and adding or subtracting days, weeks or months from a date.
- Unit Converter: Convert length, weight, temperature, area, volume, speed, data and time instantly.
- Text Analyzer: Word and character counts, reading time, readability score and keyword density for any text.
- Markdown Editor: Markdown editor with live preview, templates and HTML export.
- AI Prompt Optimizer: Turn rough ideas into structured prompts for ChatGPT, Claude and Gemini using the RTF framework.
Frequently asked questions
Do I need an account to save my Kanban tasks?
No. Tasks are saved to your browser's local storage, so they persist between visits on the same device without any sign-up.
Can I use these tools offline?
Yes. Once you've opened a tool it is cached by the site's service worker and keeps working without a connection.
Which keyboard shortcuts are available?
Press Ctrl+K (or ⌘K on a Mac) on any page to search and jump to a tool. Many tools add their own shortcuts, listed on the tool page.
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