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Free online tools that save you time and money.
Calculators, converters and generators. No signup, and your files never leave your browser.
ROAS Calculator
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Return on ad spend
4.00x
Every $1 on ads brings in $4.00.
Calculated on your device. Nothing is sent anywhere.
- No signup, no email gate
- Files stay in your browser
- Opens instantly on any device
- Free, paid for by labeled ads
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Saved on this device only. No account needed.
Popular tools
All 420 tools420 tools and growing every week.
For work and for everyday life. Tell us what to build next and vote on ideas.
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For everyday life
233 tools Money, time, health, home, kitchen, travel, documents, school and fun. See all Money38 live, 0 coming Date and Time18 live, 0 coming Health and Fitness21 live, 0 coming Home and DIY23 live, 0 coming Kitchen14 live, 0 coming Travel and Car11 live, 0 coming PDF and Docs21 live, 0 coming Text and Writing18 live, 0 coming Students and Math33 live, 0 coming Unit Converters19 live, 0 coming Random and Fun17 live, 0 coming
Free templates & lists
Templates to print or edit
All 53 templates- Printable 2027 CalendarThe year on one page or one month per page, with holidays for the US, UK, Canada or Australia.
- Free Invoice TemplateA clean invoice in Word, Excel or PDF; the Excel version does the math.
- Printable Monthly PlannerOne page per month with a calendar, goals, a to-do list and notes.
Free because of ads. We never sell what you type.
Ads pay for hosting and new tools. In return, we keep three promises.
- The tool always comes first.No ad ever sits between your input and your result.
- Every ad is labeled.You always know what is a tool and what is paid for.
- Your inputs stay yours.We never pass your numbers or files to ad partners.
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Tell us what would save you time. We build the most requested ones first.
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