Every tool.
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PDF Compressor
Make image-heavy PDF files smaller and easier to share.
Background Remover
Remove an image background with one click.
Image Compressor
Reduce image file size while keeping it crisp.
Mortgage Calculator
Estimate monthly payments and total interest.
Staff Picks
Invoice Generator
Create a polished invoice ready to download.
Profit Margin Calculator
Calculate margin, markup, revenue, and profit.
QR Code Generator
Create a clean, scannable QR code in seconds.
Unit Converter
Convert length, weight, volume, and temperature.
New This Week
AI Collection
PDF Collection
PDF Compressor
Make image-heavy PDF files smaller and easier to share.
PDF to Word
Extract PDF text into an editable Word document.
Merge PDF
Combine multiple PDFs into one organized file.
Word Counter
Count words, characters, sentences, and reading time.
Image Collection
Business Collection
Profit Margin Calculator
Calculate margin, markup, revenue, and profit.
ROI Calculator
Measure return on an investment or campaign.
Sales Tax Calculator
Calculate sales tax and the final purchase price.
Loan Calculator
Estimate payments, interest, and total borrowing cost.
Developer Collection
Finance Collection
Mortgage Calculator
Estimate monthly payments and total interest.
Compound Interest Calculator
Project investment growth and compound returns.
Retirement Calculator
Estimate how much your retirement savings could grow.
Loan Calculator
Estimate payments, interest, and total borrowing cost.
Recently Updated
Editor’s Choice
Percentage Calculator
Find percentages, increases, and decreases instantly.
AI Email Writer
Turn a few notes into a polished email draft.
Image Resizer
Resize images precisely for web and social media.
Merge PDF
Combine multiple PDFs into one organized file.
Most Loved
Word Counter
Count words, characters, sentences, and reading time.
Background Remover
Remove an image background with one click.
PDF Compressor
Make image-heavy PDF files smaller and easier to share.
Profit Margin Calculator
Calculate margin, markup, revenue, and profit.
Understand the answer
Practical Guides
How to Count Weekdays Between Two Dates
Learn how to count Monday-through-Friday weekdays between two dates, handle inclusive dates, and account for holidays.
Read guide ↗Money & everyday mathHow to Split a Bill With Tip
Calculate a restaurant tip, total bill, and amount per person with a clear formula and worked example.
Read guide ↗PercentagesPercentage Increase vs. Percentage Points
Understand the difference between percent change and percentage-point change with formulas and practical examples.
Read guide ↗ImagesHow to Resize an Image Without Distortion
Resize an image to exact dimensions while preserving its aspect ratio, sharpness, and the right file format.
Read guide ↗Useful places for the next job
Independent tools and resources from our growing collection.
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Percentage Calculator
Find percentages, increases, and decreases instantly.
Profit Margin Calculator
Calculate margin, markup, revenue, and profit.
PDF Compressor
Make image-heavy PDF files smaller and easier to share.
Image Resizer
Resize images precisely for web and social media.
QR Code Generator
Create a clean, scannable QR code in seconds.
Loan Calculator
Estimate payments, interest, and total borrowing cost.
JSON Formatter
Format, validate, and simplify JSON data.
AI Email Writer
Turn a few notes into a polished email draft.
Unit Converter
Convert length, weight, volume, and temperature.
Word Counter
Count words, characters, sentences, and reading time.
Character Counter
Count characters, words, spaces, and lines instantly.
Grade Calculator
Turn points earned into a percentage and letter grade.
Time Calculator
Find elapsed time between two times, including breaks.
Age Calculator
Calculate an exact age and the next birthday countdown.
Discount Calculator
Find sale price, savings, and final cost after tax.
Tip Calculator
Split a bill and calculate the tip per person.
Sales Tax Calculator
Calculate sales tax and the final purchase price.
BMI Calculator
Calculate body mass index using metric or US units.
Compound Interest Calculator
Project investment growth and compound returns.
Retirement Calculator
Estimate how much your retirement savings could grow.
Date Difference Calculator
Count days, weeks, and weekdays between dates.
Random Number Generator
Generate one or many random numbers in any range.
Background Remover
Remove an image background with one click.
Image Converter
Convert images between JPG, PNG, and WebP.
Mortgage Calculator
Estimate monthly payments and total interest.
Invoice Generator
Create a polished invoice ready to download.
ROI Calculator
Measure return on an investment or campaign.
Password Generator
Generate a strong, private password instantly.
PDF to Word
Extract PDF text into an editable Word document.
Merge PDF
Combine multiple PDFs into one organized file.
AI Summarizer
Turn long text into a clear, concise summary.
AI Rewriter
Rewrite text for clarity, tone, and flow.
Image Compressor
Reduce image file size while keeping it crisp.
Video Compressor
Make videos smaller for sharing and upload.
PNG Compressor
Compress PNG files without losing transparency.