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⚙️ Developer UtilitiesFree
Compute an exponential backoff schedule for retries
See exactly how long each retry waits: a base of 250 with multiplier 2 and a cap of 2000 gives 250, 500, 1000, 2000, 2000 and 2000 over 6 retries, with no…
K
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📄 Documents & PDFFree
Business card layout generator
A US card, 88.9 by 50.8 mm with a 4 mm margin, gets the name at 15 pt, the title at 9 pt and contacts at 8 pt.
B
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📄 Documents & PDFFree
Generate a Certificate of Completion Online
Four details become a landscape certificate of completion in 7 ordered sections, from the heading to the date, such as Jordan Lee for Advanced Project…
F
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📄 Documents & PDFFree
Generate a cover letter draft from your key qualifications
Give your name, the job title, the company and two or three qualifications, and you get a cover letter draft in 7 parts, from the address block to the…
K
Runs in your browser
📄 Documents & PDFFree
Generate a credit note document from an invoice
Two returned keyboards with 10% tax and a shipping adjustment become a credit note with line subtotals, tax and a total checked against the original invoice.
F
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📄 Documents & PDFFree
Generate a job offer letter template from candidate and salary details
A start date of 2026-09-14 becomes September 14, 2026 in a job offer letter with employment, compensation, reporting and acceptance sections.
K
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📄 Documents & PDFFree
Event program schedule generator
A keynote at 09:00 lasting 60 minutes ends at 10:00, and a panel starting at 09:45 overlaps it by 15 minutes: the generator orders your sessions, works out…
R
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📄 Documents & PDFFree
Generate an invoice document with calculated totals
With an 8.25 % tax rate, a subtotal of 330.5 carries 27.27 in tax and a grand total of 357.77: enter the seller, the buyer and each line with quantity and unit…
M
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📄 Documents & PDFFree
Generate a meeting minutes template with decisions and action items
Three agenda topics become three numbered sections, each with room for discussion notes, decisions and action items with an owner: enter the title, date…
K
Runs in your browser
📄 Documents & PDFFree
NDA Clause Checklist Generator
Name the disclosing and receiving parties, choose a mutual or one-way NDA, and get 10 clause areas to review, from what counts as confidential to return or…
M
Runs in your browser
📄 Documents & PDFFree
Generate a Non-Compete Clause Reasonableness Checklist
A 12-month restriction on named accounts for a regional sales director becomes 12 review points, from the business interest at stake to narrower alternatives…
B
Runs in your browser
📄 Documents & PDFFree
Generate a packing slip
Order ORD-10482 with 2 item lines and 3 units in total becomes a numbered packing slip with the ship-to address and quantities, and no prices, taxes or billing…
R
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📄 Documents & PDFFree
Generate a press release template
Three key facts in order of importance become a dated lead and two supporting paragraphs, plus an About section: enter the headline, city, date and facts, and…
R
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📄 Documents & PDFFree
Generate a Privacy Policy Checklist for GDPR and CCPA
Enter contact information, payment information and online identifiers with GDPR and California selected, and get a drafting checklist from controller identity…
B
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📄 Documents & PDFFree
Generate a Project Charter Template from Objectives and Milestones
A project name, a sponsor, two objectives and two dated milestones become a consistent charter you can copy into a kickoff packet, with milestones kept in the…
K
Runs in your browser
📄 Documents & PDFFree
Generate a purchase order document with calculated totals
12 keyboards and 5 docks become two line totals and one order total, each rounded to two decimals: enter the PO number your purchasing system assigned, the…
M
Runs in your browser
📄 Documents & PDFFree
Generate a Receipt Document with Itemized Totals
Two cappuccinos taxed at 8.25 % and an untaxed muffin become one itemized receipt, with every line subtotal, the tax total and the amount paid worked out.
F
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📄 Documents & PDFFree
Generate a Reference Letter Template with Achievement Prompts
Enter Maya Chen as the direct manager who has known Jordan Lee for 3 years and you get a four-section letter with marked gaps for a real achievement, its…
M
Runs in your browser
📄 Documents & PDFFree
Generate a structured rent receipt for a rental payment
Morgan Ellis, Taylor Reed, Apartment 3B and the period “July 1–31, 2026” become one tidy rent receipt with a details table and a plain acknowledgement of…
K
Runs in your browser
📄 Documents & PDFFree
Rewrite a resume bullet point with action, task and results
Paste one bullet, such as managing a support team of 12 while cutting response time by 35%, and it is split into action verb, task and result.
R
Runs in your browser
📄 Documents & PDFFree
Generate an RFP response checklist by requested section
List four RFP sections, such as technical approach, pricing, timeline and references, and you get 20 drafting and review tasks grouped under those same…
F
Runs in your browser
📄 Documents & PDFFree
Generate a risk register template with scores and priorities
A supplier missing the launch date, rated 4 for likelihood and 5 for impact, scores 20 and tops the register as critical.
M
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📄 Documents & PDFFree
Standard operating procedure template generator
Give it “Receive and inspect incoming inventory”, its purpose and three steps, and you get a draft SOP at version 1.0 with numbered instructions…
R
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📄 Documents & PDFFree
Terms of service checklist generator by business type
Choose a SaaS product and you get 16 clauses to work through: 12 shared foundations such as acceptable use and liability, plus billing, availability, customer…
F
Runs in your browser
📄 Documents & PDFFree
Generate a product warranty card with expiration date
A desk lamp bought on 2026-07-25 with 24 months of cover gets a card that runs through 2028-07-25.
B
Runs in your browser
⚙️ Developer UtilitiesFree
A1Z26 cipher
Swap each letter for its place in the alphabet: HELLO becomes 8 5 12 12 15, and a list of numbers from 1 to 26 turns back into letters.
P
Runs in your browser
⚙️ Developer UtilitiesFree
RFC 1924 Base85 encoder & decoder
“Hello World” becomes 7KPt{PR^XAyM<W in RFC 1924 Base85, the 85-character alphabet first proposed to write a 128-bit IPv6 address in twenty characters, here…
P
Runs in your browser
⚙️ Developer UtilitiesFree
Ternary / base-3 converter
42 is 1120 in ternary: one 27, one 9, two 3s and no units, shown step by step so you can check the arithmetic.
P
Runs in your browser
⚙️ Developer UtilitiesFree
Factorial number system converter
Convert whole numbers to factoradic and back: 23 is 3:2:1:0, also written 3210!, because three times 3! plus two times 2! plus one times 1! adds up to 23.
P
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⚙️ Developer UtilitiesFree
Portugal NIF check digit calculator and validator
The eight digits 50196484 get the check digit 3, which completes the NIF as 501964843. Enter eight digits to calculate the ninth, or all nine to see whether the…
K
Runs in your browser
💰 Finance & moneyFree
Accrual ratio calculator
See how much of reported profit rests on accruals rather than cash: net operating assets rising from 1,250,000 to 1,430,000 give accruals of 180,000 and a ratio…
G
Runs in your browser
💰 Finance & moneyFree
Accumulated depreciation calculator
Find how much of an asset has been written off so far: a machine that cost 50,000, with a salvage value of 5,000 and a ten-year life, has 18,000 of accumulated…
G
Runs in your browser
💰 Finance & moneyFree
Actual cash value
Find what an insurer pays on damaged property: an item that costs 2,500 to replace today, with 1,000 of accumulated depreciation, has an actual cash value of…
G
Runs in your browser
💰 Finance & moneyFree
ADR to ordinary share price converter
Translate a depositary receipt quote into the price of one ordinary share back home: a receipt at 25.5 with a ratio of 0.5 and an exchange rate of 1.27 equals…
G
Runs in your browser
💰 Finance & moneyFree
AFFO
See the cash a property portfolio really generates: net income of 180,000 plus 95,000 of depreciation, minus 12,000 of sale gains, gives FFO of 263,000, and…
G
Runs in your browser
💰 Finance & moneyFree
AFN
Find how much outside money a growth plan needs: sales of 500,000 growing 25%, assets of 300,000, spontaneous liabilities of 60,000, a 6% margin and a 40%…
G
Runs in your browser
💰 Finance & moneyFree
After-tax cost of debt
Get the rate your company really bears on a loan once interest is deducted from taxable income: 6.5% at a 25% tax rate is 4.875%, with 1.625 points absorbed by…
G
Runs in your browser
💰 Finance & moneyFree
AGI
Work out the AGI that anchors the rest of a tax return: gross income of 85,000 minus 2,500 of student loan interest and 6,500 of IRA contributions leaves…
G
Runs in your browser
💰 Finance & moneyFree
Alabama income tax calculator
Apply Alabama's 2%, 4% and 5% brackets slice by slice: a single filer with 75,000 of taxable income owes 3,710, not 3,750, because each rate only touches its…
G
Runs in your browser
💰 Finance & moneyFree
Alternative minimum tax calculator
Check whether the minimum tax adds to your bill: a joint return with 250,000 of taxable income, 60,000 of preference items and 42,000 of regular tax owes 3,942…
G
Runs in your browser
💰 Finance & moneyFree
Altman Z-score calculator
Enter six figures from a company's accounts and get its Altman Z-score: the sample manufacturer scores 3.513, above the 2.99 line of the safe zone, while…
G
Runs in your browser
💰 Finance & moneyFree
American Rescue Plan stimulus
A married couple with two children and an adjusted gross income of 140,000 gets the full 5,600, because they sit below the 150,000 point where the payment…
G
Runs in your browser
💰 Finance & moneyFree
Amortization schedule calculator
Borrow 1,200 at 12% for 12 months and you pay 106.62 a month and 79.42 in interest, yet the first payment puts only 94.62 toward the debt.
G
Runs in your browser
💰 Finance & moneyFree
Annual income calculator
At 25 an hour, 40 hours a week for 52 weeks, your gross income is 52,000 a year and 1,000 a week. Change the weeks to 48 and you see at once what unpaid time…
G
Runs in your browser
💰 Finance & moneyFree
Annual pay calculator
An hourly rate is hard to compare until it is multiplied out: 25 an hour for 40 hours a week over 52 weeks is 52,000 in gross yearly pay.
G
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💰 Finance & moneyFree
Annual salary calculator
A gross salary of 4,000 a month is 48,000 a year, and with a flat 22% tax you keep 37,440 after paying 10,560.
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💰 Finance & moneyFree
Annual salary per hour
A salary of 52,000 for 40-hour weeks over 52 weeks is worth 25 an hour, because those weeks add up to 2,080 working hours.
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💰 Finance & moneyFree
Annual to monthly salary converter
A salary of 60,000 a year is 5,000 a month: the converter divides your yearly pay by twelve and rounds to cents.
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💰 Finance & moneyFree
Annualized rate of return
An investment that grew from 10,000 to 16,105.10 in five years gained 61.05% in total, which is exactly 10% a year once compounding is counted.
G
Runs in your browser
💰 Finance & moneyFree
Annuity payment calculator
Borrow 10,000 at 1% a month over 12 months and exactly one installment clears it: 888.49. Use it to price a loan payment, size withdrawals from a savings pot or…
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Runs in your browser
💰 Finance & moneyFree
Annuity future value calculator
Deposit 200 at the end of every month at 1% a month and after 12 deposits you have 2,536.5. Project a savings plan, size a fund for a known expense or check a…
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Runs in your browser
💰 Finance & moneyFree
Annuity present value calculator
Twenty-four monthly payments of 500, discounted at 1% a month, are worth 10,621.69 today. Use it to turn a lease, a loan installment or a pension's checks into…
G
Runs in your browser
💰 Finance & moneyFree
Average propensity to consume (APC)
Spend 36,000 out of a disposable income of 45,000 and your average propensity to consume is 0.8: eighty cents of every after-tax dollar went to consumption.
G
Runs in your browser
💰 Finance & moneyFree
Appreciation calculator
A property worth 250,000 that appreciates 3% a year is worth 335,979.09 after 10 years, a gain of 85,979.09.
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💰 Finance & moneyFree
APR calculator
A 12% nominal rate compounded monthly really costs 12.6825% a year, 0.6825 points more than the headline.
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💰 Finance & moneyFree
APY calculator
A savings account quoting 5% compounded monthly actually pays about 5.116% a year, and compounded daily about 5.127%.
G
Runs in your browser
💰 Finance & moneyFree
Office supply budget per employee calculator
With 18 employees and 24.5 per person each month, the office supply budget is 441 a month and 5,292 a year.
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❤️ Health & fitnessFree
Calculate barbell plate loading per side
For 100 on a 20 bar, load one 25 and one 15 on each side: 80 in plates, 40 per side, with the fewest plates possible.
R
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🖼️ ImagesFree
Add border to image dimensions
A 1200 × 800 pixel image with a 24-pixel border becomes 1248 × 848, because the border sits on all four sides and adds twice its width to each dimension.
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Runs in your browser
🖼️ ImagesFree
Convert image brightness to ASCII art with a custom character ramp
Brightness values from 0 for black to 255 for white become characters of your choice: with a ten-character ramp from @ to a space, 0 always prints the first…
F
Runs in your browser
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Get your key
Create an account with your email and add balance when you need it. No subscription, no sales call.
2
Call the endpoint
One authenticated POST. The API returns a task_id immediately — copy-paste snippets in five languages on every page.
3
Collect the result
Receive a signed webhook the moment it's ready, or fetch a signed link. A failed task is never charged.
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On-device utilities — hash, QR, JSON, Text→PDF and more — run in your browser. No account, no limits.
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The full API — 7800+ capabilities — billed only for what you run, from $0.002 per call. No monthly fee.
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