Tools in a minute.

For better decisions

Money & finance

Calculate, compare and plan your money.

8 tools

For getting things done

Work & productivity

Build your CV, polish text and share information.

3 tools

For your projects

Development & data

Convert data and generate identifiers for your projects.

4 tools

For everyday tasks

Everyday utilities

Handle paperwork, protect your accounts and plan your trips.

3 tools

~5 min

CV builder

Build your resume in minutes with a guided form, live preview and PDF download. No signup needed.

~5 s

Base64 converter

Encode and decode Base64 text, UTF-8 safe, with URL-safe variant. Useful for JWT, data URIs and more.

~10 s

VAT calculator

Add or remove VAT from any amount: 20 %, 10 %, 5 % or a custom rate. Apply the rate to any currency.

~20 s

Paycheck calculator

Estimate annual and per-paycheck take-home pay from annual gross pay with a simplified US federal estimate.

~30 s

Spanish net salary calculator

Estimate the IRPF withheld from your Spanish payslip from your gross salary and work and family situation.

~10 s

Hourly to salary calculator

Convert an hourly rate to an annual salary or back again. Set weekly hours and see weekly and monthly equivalents.

~15 s

Fuel cost calculator

Estimate trip cost, fuel used and each person's share, including round trips.

~20 s

Compound interest

Estimate how your savings can grow with recurring contributions, a term, an annual rate and an annual breakdown.

~20 s

401(k) retirement calculator

Project your retirement savings from a monthly contribution, annual return and the years you have left.

~30 s

Mortgage calculator

Calculate your monthly payment, total interest and home cost with an annual breakdown.

~30 s

Debt payoff calculator

See when you will be debt-free and compare snowball and avalanche by time and total interest.

~10 s

JSON formatter

Format, validate and minify JSON. Detect syntax errors with line and column, and sort keys.

~10 s

QR generator

Create static QR codes from text or URLs and download them as PNG. Choose error correction level.

~10 s

Spanish DNI letter

Calculate or validate the letter of any Spanish DNI or NIE, and generate test IDs for development.

~15 s

Timestamp converter

Convert between Unix timestamps and human-readable dates, in your timezone or UTC. Live clock included.

~5 s

Password generator

Create random and secure passwords with the length and characters you choose, with a strength meter.

~5 s

Word counter

Count words and characters (with and without spaces), lines, sentences, paragraphs and reading time.

~5 s

UUID generator

Create random, practically unique version 4 UUID identifiers, one at a time or in bulk, with format options.