Build a debt plan
Understand the position, choose a strategy and protect the plan.
Calculate · compare · plan
Practical tools for real decisions.
Find a calculator, converter, timer or planning tool for the task in front of you. Most tools run directly in your browser, with no account required.
72 free tools
10 categories
Most tools work in your browser
Search results
No matching tools found. Try another keyword or browse all tools.
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Browse the full directory →
What do you need to do?
Manage money
Compare borrowing, plan repayments, set savings targets and understand fees.
Finance tools →Train and compete
Plan loads, estimate pace and zones, manage rounds and track performance.
Fitness and sports →Write and analyse text
Count, segment, transform and inspect text without uploading a document.
Writing tools →Plan dates and observances
Check religious dates and use counters designed for different traditions.
Faith and calendar →Protect accounts and privacy
Create stronger passwords and passphrases, check strength and generate usernames.
Security tools →Convert and solve
Handle units, dates, number systems and everyday numerical questions.
Numbers and converters →Useful starting points
See every tool →
Featured tools
A selection of calculators, timers and utilities from across the catalogue.
Step by step
Use tools together
Some tasks are easier when one result leads to the next.
Reach a savings goal
Set the target, find the contribution and check the cost of fees.
Plan a gym session
Estimate the load, build the bar and keep rest periods consistent.
Plan an observance date
Convert the date, check the calendar method and use the relevant counter.
Prepare for a run
Translate a target into pace and use training intensity with care.
Prepare a piece of writing
Measure length, estimate reading time and inspect repeated terms.
Explore the catalogue
10 categoriesBrowse by category
Open a category to see its calculators, converters, timers and guides.
Recently added
Full directory →New and updated tools
See the newest tools and recently improved pages.
Clear explanations, visible assumptions and useful sources where they matter.
How ToolBullet Works →
Using ToolBullet
How do I find the right tool?
Use the search box at the top of the page, choose a task or browse by category. Tool pages also link to related tools and useful next steps.
Do I need an account?
No. All current ToolBullet tools are free to use without signing up.
Does ToolBullet save what I enter?
Most tools calculate directly in your browser. Optional features such as favourites or saved scenarios may use storage on your device. Calculator values are not added to public links or analytics events.
Can I use ToolBullet on a phone or tablet?
Yes. The site is designed for current mobile, tablet and desktop browsers. Use the Contact page to report an accessibility, browser or layout problem.
Are the tools suitable for every country?
Many mathematical and general-purpose tools can be used worldwide. Tools involving tax, benefits, law or official rules identify the country or region and the relevant review date.
How do I report a problem or suggest a tool?
Use the Contact page. For an incorrect result, include the page address, the values entered, the result shown and what you expected.