Base64 Text Encoder & Decoder
Pure client-side Base64 text encode and decode tool supporting UTF-8 Chinese characters and RFC 4648 URL-safe mode.
Supports standard Base64 and URL-Safe modes with full UTF-8 multilingual compatibility
Pure client-side Base64 text encode and decode tool supporting UTF-8 Chinese characters and RFC 4648 URL-safe mode.
Accurate word count, character statistics, paragraph analysis, and reading time estimation
Accurate calculations for brokerage discounts, transaction tax, ROI, and break-even stock prices
Automatically applies 0.15% halved transaction tax with +/- 5 tick profit simulations
Applies 0.1% preferential ETF transaction tax rate for cost and DCA calculations
Fast bidirectional calculation of 5% VAT sales tax and gross/net amounts compliant with MOF rules
One-click conversion of numbers to standard formal Chinese financial characters for fraud prevention