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Calculate cubic yards for pouring slabs and driveways.

SHA256 Generator produces a secure SHA-256 hash from any text, widely used for checksums, digital signatures, and verifying integrity. Paste text to get the hash instantly. Everything runs in your browser, keeping your input private.

Generate color palettes.

Estimate the number of bricks and mortar needed for your wall.

The Hijri Calendar shows today's Islamic (lunar Hijri) date in English and Arabic, with a two-way Hijri–Gregorian date converter and a full monthly calendar grid. Use it to track Ramadan, Eid, Hajj, and other Islamic dates, or to convert any date between the Hijri and Gregorian calendars. It is free, instant, and runs privately in your browser.

File Compressor bundles multiple files into a single ZIP archive so they are easier to send and store. Combine documents, images, and more into one tidy download. Compression runs in your browser, keeping your files private.

Test your internet connection speed directly in the browser. Measure download speed, upload speed, latency (ping), and jitter with animated gauges. Works on mobile and desktop — no app required.

Generate CSS gradients visually.

Calculate your net salary after German taxes.

Verify AFIP / ANSES tax identity numbers.

Coin Flip is a free online coin flipper that gives you a fair, random heads or tails result with a single click. Flip once to make a quick decision, or flip hundreds of times at once to see the running heads/tails tally. It is perfect for settling debates, games, and probability demonstrations, and it works instantly in your browser.

Regex Tester lets you build and debug regular expressions with live match highlighting. Enter a pattern and test string to see exactly what matches as you type. Perfect for developers fine-tuning validation and search patterns. It runs in your browser.

Calculate your take-home pay after Income Tax and NI in the UK.

HTML Formatter cleans up and indents messy HTML so it is easy to read and maintain. Paste minified or tangled markup and get neatly structured code back. It runs entirely in your browser, so your code stays private.

Convert between world currencies instantly with live exchange rates. Supports Afghan Afghani (AFN), USD, EUR, PKR, IRR, SAR and 10+ currencies with real-time market data.

Create countdown timers.

Calculate your Salário Líquido in Brazil.

Generate invoices online.

Instantly check if a CPF or CNPJ is mathematically valid.

Convert Japanese real estate sizes to Sq Meters.

Sort Text Lines arranges your lines alphabetically (A–Z or Z–A), numerically, by length, or in random order, with options to remove duplicates and ignore case. It is perfect for organizing lists, keywords, names, and data. The sorting happens instantly in your browser, so your information stays private and there are no limits.

Decode demographics and verify the Luhn checksum.

ZIP Extractor opens ZIP archives right in your browser so you can view and download the files inside without installing software. Quickly unpack documents, images, and folders from a zip. Extraction is local, so your files stay private.

Generate random numbers.