Converts between 160+ world currencies using real-time exchange rates sourced from central banks and financial data providers. Uses cloud-based processing.
Validates the structure, length, and check digits of IBANs from 70+ countries using the official ISO 13616 modulus-97 algorithm.
Calculate gross profit, net income, and margin from revenue, COGS, and operating expenses.
Produces downloadable PDF or HTML invoices with customizable line items, tax rates, discounts, and business logo placement.
Convert time between different time zones. Enter a time and your source/target time zones and see the converted result.
Counts characters with and without spaces and compares your text against platform-specific limits — Twitter/X posts (280), SMS messages (160), SEO meta descriptions (160), Facebook posts (63,206), and LinkedIn summaries (2,600). Real-time counting with space/no-space toggle.
Currency Converter lets you converts between 160+ world currencies using real-time exchange rates sourced from central banks and financial data providers. Uses cloud-based processing.. It works on any device with a modern web browser.
Converts between 160+ world currencies using real-time exchange rates sourced from central banks and financial data providers. Uses cloud-based processing. It runs entirely in your browser — no software installation or data uploads required.
Direct text entry, file upload, or URL-based input — depending on the tool. Common file formats are supported for upload-based tools.
No. Currency Converter requires an internet connection because it uses cloud-based processing for its core functionality.
All calculators use standard financial formulas and are accurate to two decimal places unless otherwise specified.
Some calculators include local storage for recent calculations. History stays on your device and is not shared.
No. These tools provide mathematical calculations for educational and planning purposes. Consult a financial advisor for professional advice.
The currency converter supports 160+ currencies with live exchange rates via a public API, plus an offline fallback matrix.
Basic calculators work offline. The currency converter requires an internet connection for live rates but includes offline fallback data.
Invoice Generator
Produces downloadable PDF or HTML invoices with customizable line items, tax rates, discounts, and business logo placement.
Receipt Generator
Creates printer-friendly receipt pages with itemized purchases, payment method, date, and merchant details in a compact single-page layout.
IBAN Validator
Validates the structure, length, and check digits of IBANs from 70+ countries using the official ISO 13616 modulus-97 algorithm.
Bulk Invoice & Receipt Parser
Drop 100 invoice PDFs or images, auto-detect date, vendor, amount, and tax, then export a clean CSV ready for tax filing. Replaces expensive accounting OCR per-document fees.
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Calculate total study hours over a period and see monthly projections.