DeclaRenta

Converts foreign broker reports into Spanish tax declarations.

WebfreeSpain

DeclaRenta converts statements from foreign brokers like IBKR, Degiro, and Trade Republic into Spanish tax declarations (Modelo 100, 720, 721, and D-6), applying mandatory FIFO calculation and official ECB exchange rates that Spain's own Renta Web tool doesn't handle for foreign brokers. It runs as a free, private, self-hosted static site with no data leaving the user's device. It's aimed at Spanish tax residents investing through foreign brokers who currently do this conversion by hand.

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