Practical browser tools — calculators, converters, and helpers
No signup. Open a tool, finish the task, leave. Browse by category, jump to gaming utilities, or see the full list on one page.
78 tools·Blog·Comparisons·By category
Featured
A few places to start
Hand-picked across categories. The complete inventory lives on all tools.
Productivity
Pomodoro Timer
A simple pomodoro timer to help you stay focused and productive during the workday.
Finance
Tip Calculator
Easily calculate the tip amount and total bill per person with our simple and efficient Tip Calculator.
Developer
JSON Prettifier
Format and beautify JSON data to make it more readable with our JSON Prettifier tool. Perfect for developers and anyone working with JSON.
Health
BMI Calculator
Calculate your Body Mass Index (BMI) with our simple and efficient BMI Calculator. Perfect for tracking your health and fitness.
Gaming
Dice Roller
Roll any combination of dice with a history feature. Perfect for tabletop RPGs and board games.
Utility
QR Code Generator
Generate QR codes for sharing URLs, contact information, and more. Easily scan and share QR codes with your phone.
Browse by category
Jump into a topic. Gaming also has its own hub with tools grouped by game.
Developer
22Finance
8Productivity
8- Character Counter
- Pomodoro Timer
- Citation Generator (APA, MLA, Chicago)
- Grade Calculator with Weighted Grades
Utility
25Gaming
PC & tabletop utilities
Timers, dice, D&D helpers, sensitivity math, and game-specific calculators — grouped by title on the hub.
Gaming
Helldivers 2 Stratagem Cooldown Timer
Example math only: plug in your own base times and a % reduction. Not synced to live game data or patches.
Gaming
D&D Character Stat Roller
Generate D&D character ability scores using the 4d6 drop lowest method.
Gaming
FPS Sensitivity Converter
Approximate sensitivity between games using built-in ratios—a starting point; always tune in-game and confirm with trusted references.
More in the directory
A sample of other utilities. Open the full list when you want everything in one place.
Productivity
Character Counter
Accurately count the number of characters and words in your text with our simple and efficient character and word counter tool.
Finance
Mortgage Payment Estimator
Estimate your monthly mortgage payments based on the loan amount, interest rate, and loan term with our Mortgage Payment Estimator.
Developer
Markdown Previewer
Preview your Markdown content in real-time with our Markdown Previewer. Perfect for documentation, notes, and blog posts.
Developer
Epoch Converter
Convert Unix epoch timestamps to human-readable dates and vice versa with our Epoch Converter tool.