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Download any YouTube video's thumbnail in every available resolution.
Calculate semester, cumulative, and target GPA on the 4.0, 5.0, or 10.0 scale.
Count words, characters, sentences, and paragraphs, plus estimated reading time.
Calculate a daily fat target in grams from a percentage of total calories.
Add up multiple roof plane areas into a total roof area, for roofs with several separate sloped sections.
Calculate Customer Acquisition Cost from total sales & marketing spend and new customers acquired.
Add Texas's 6.25% state sales tax onto a price, or reverse a tax-inclusive total back to the pre-tax price.
Calculate contribution margin per unit and the contribution margin ratio.
Calculate how many pavers, how much bedding sand, and how much edge restraint your patio needs.
Check your video's dimensions against TikTok's recommended video size.
Calculate square yards and how much roll-width material (carpet, turf) you actually need to buy.
Calculate Flesch Reading Ease and Flesch-Kincaid Grade Level for any text.
Convert a PNG image to ICO instantly, right in your browser.
Estimate the 10% penalty plus income tax cost of an early 401(k)/IRA withdrawal, and what you'd actually keep.
Calculate your full monthly mortgage payment including principal, interest, property tax, insurance, and PMI.
Convert a percentage score to an approximate GPA using a proportional scale.
Generate a QR code for a URL, WiFi network, contact card, or plain text.
Encode text to Base64 or decode a Base64 string back to plain text.
Calculate how many cubic yards, cubic feet, and bags of mulch your garden beds need.
Calculate your Harvard GPA/CGPA, academic standing, and required target GPA.
Calculate the slope and equation of a line between two points.
Check a 529 plan lump-sum contribution against the federal gift tax annual exclusion and the 5-year superfunding election.
Calculate the down payment and resulting loan amount from a car price and down payment percentage.
Calculate interest accrued on a credit card balance for a billing period, using the daily periodic rate.
Convert Inches to CM instantly with an exact, accurate formula -- no sign-up, no ads blocking the result.
Convert Kilowatts to Watts instantly with an exact, accurate formula -- no sign-up, no ads blocking the result.
Add Arkansas's 6.5% state sales tax onto a price, or reverse a tax-inclusive total back to the pre-tax price.
Estimate your Earned Income Tax Credit (EITC) from your earned income, number of children, and filing status.
Add Iowa's 6% state sales tax onto a price, or reverse a tax-inclusive total back to the pre-tax price.
Calculate the number of minutes between two times of day.
Convert Watts to Kilowatts instantly with an exact, accurate formula -- no sign-up, no ads blocking the result.
Calculate the ratio of internal links to total links on a page.
Check your title tag's character and pixel-width length against Google's SERP display limits.
Calculate what percentage of your total college cost a scholarship covers.
Brighten or darken an image, with quick flip, rotate, and round-corner edits.
Convert a BMP image to WebP instantly, right in your browser.
Estimate tax owed on an investment gain, using separate short-term and long-term capital gains rates.
Calculate the total cost of college over multiple years from tuition, room & board, and other expenses.
Convert a column of values into a comma, semicolon, or custom-delimited list -- and back.
Project weekly and annual earnings from an hourly minimum wage rate and hours worked.
Compare your current mortgage payment against a new refinanced loan, and find your break-even point.
Project weekly and annual earnings from New Mexico's minimum wage rate ($12.00/hr) and hours worked.
Calculate your paycheck amount on a 4-week (13-period) pay schedule from your annual salary.
Add Alabama's 4% state sales tax onto a price, or reverse a tax-inclusive total back to the pre-tax price.
Calculate backup withholding at the flat 24% rate on a payment.
Delaware has no state-level sales tax -- add local sales tax (if any applies where you are) onto a price, or reverse a tax-inclusive total.
Project weekly and annual earnings from Florida's minimum wage rate ($14.00/hr) and hours worked.
Look up your Traditional/Roth IRA contribution limit for the current tax year, based on your age.
Calculate your vehicle's real-world fuel economy from miles driven and gallons used.
Convert pounds to stones and ounces, with kg/g/ton equivalents.
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