Small tools.
Big time saved.
Simple, focused tools for the things you do every day. No downloads, no fuss — just open a tool and get on with it.
Explore tools
19 useful tools, with more on the wayJSON Formatter
Format, minify, compare, copy, and download JSON in your browser.
UUID Generator
Generate random UUIDv4 or time-ordered UUIDv7 identifiers in batches.
Percentage Calculator
Calculate percentage changes, discounts, taxes, tips, and reverse percentages.
Time Zone Converter
Convert times between global locations, including daylight-saving transitions.
Epoch Time Converter
Convert Unix timestamps, local dates, UTC dates, and ISO 8601 times.
Word Counter
Count words, visible characters, sentences, paragraphs, and reading time.
Compound Interest
Project savings growth, contributions, and inflation-adjusted value.
CSV to JSON
Upload CSV or TSV and convert rows to JSON with a preview and type inference.
JSON to CSV
Convert JSON objects to downloadable CSV or TSV with column controls.
URL Encoder / Decoder
Encode URL text and edit query parameters in your browser.
Unit Converter
Convert length, mass, temperature, data, energy, pressure, and more.
Date Difference
Count calendar and business days with custom weekends and holidays.
QR Code Generator
Customize a QR code and download it as PNG or SVG.
Grade Calculator
Calculate weighted grades, extra credit, and what-if outcomes.
Statistics Calculator
Calculate descriptive statistics, percentiles, modes, and a histogram.
Loan EMI Calculator
Estimate loan payments, extra-payment savings, and amortization.
Date Format Converter
Convert dates and timestamps into common standards, database formats, Unix values, localized text, and custom patterns.
HTML Formatter
Format HTML, Vue, or Angular markup with configurable indentation, wrapping, and whitespace handling.
Bill Splitter
Split a bill with tax, tip, personal charges, custom shares, currencies, and payment rounding.