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Free online tools for calculations, conversions, images and text—everything in one place for a more efficient day.
Popular: BMI Mortgage Image Compression Compound Interest QR Code PDF
100+ FREE ONLINE TOOLS
Featured Tools
All Tools
Calculators
- 01⚖️BMI CalculatorHeight/weight to healthy range→
- 02🏡Mortgage / Loan CalculatorMonthly payment & total interest→
- 03📈Compound Interest CalculatorRecurring investment growth→
- 04🔥BMR / TDEE CalculatorDaily calorie needs→
- 05🧾Tip / Bill Split CalculatorSplit the bill without the math→
- 06📐Unit ConverterLength, weight, temperature→
- 07📅Age / Date Difference CalculatorDays, weeks, years between dates→
- 08％Percentage CalculatorDiscounts, share, % change→
Image & File Tools
- 09🔳QR Code GeneratorCustom colors, logo, Wi-Fi/tel→
- 10🗜️Image CompressorShrink JPG/PNG in your browser→
- 11✂️Image Resizer / CropCrop to social media ratios→
- 12📄PDF Merge & SplitCombine files or extract pages→
- 13🗂️JPG to PDFBundle images into one PDF→
Text Tools
Productivity
US & International Tools
- 18🎓GPA Calculator4.0 scale, by credit hours→
- 19🌐Timezone ConverterCompare times across cities→
- 20📆Days Until CalculatorCountdown to any date→
Developer Tools
SIMPLE · PRIVATE · FREE
Why choose us?
Completely Free
All tools are free to use
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Your data stays in the browser whenever possible
Easy to Use
Open and use — no complicated setup
Always Improving
New tools and usability improvements keep coming
📚 Practical Guides & Articles
Practical explanations and useful tips to help you understand each tool and apply it with confidence.
How to Estimate a Mortgage Payment: 30 vs. 40 YearsSee how principal, interest rate, and loan term change a monthly payment.What Is a Normal BMI? Numbers, Waist Size, and LimitsUnderstand BMI ranges, how the number is calculated, and why one number is not the whole picture.How to Reduce Image File Size Without Losing More Quality Than NecessaryUnderstand formats, dimensions, and quality settings before compressing images.
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