所有在线工具

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.

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.

Format SQL queries.

The Days Calculator instantly counts how many days are between two dates, and shows the result in weeks, weekdays (business days), weekend days, and hours. Switch to the Add / Subtract mode to find the date a set number of days before or after any start date — perfect for deadlines, due dates, contracts, countdowns, and project planning. It is free, instant, and runs privately 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.

Verify a 13-digit NZBN using the GS1 Checksum.

Generate color palettes.

Calculate cubic yards for pouring slabs and driveways.

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.

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.

Generate barcodes online.

Convert numbers into words.

Estimate property transfer duty tax in Australia.

Calculate the total Cubic Meters (CBM) for ocean freight.

Calculate mandatory Canadian payroll deductions.

Calculate your net salary after German taxes.

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.

Generate QR codes online.

Calculate IGST, CGST, and SGST for your products.

Convert Bigha to Acres, Hectares, and Sq Ft based on Indian states.

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.

Verify AFIP / ANSES tax identity numbers.

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 CSS gradients visually.