The gold-standard spaced-repetition flashcard app with community decks for every language.
AppsTools Free BeginnerIntermediateAdvanced
vocabulary
Details
Free on desktop, Android and web; the iOS app is a one-off paid purchase that funds the project. The interface is dated and the options are overwhelming at first, but nothing beats it for retaining vocabulary over years. Most effective when you stop grinding premade decks and start mining sentences from things you actually read or watch.
A 1997-vintage Q&A archive where linguists answer real questions about Portuguese usage.
Websites Free Advanced B2–C2
grammarreadingwriting
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Run out of ISCTE in Lisbon, it answers submitted questions about grammar, usage, regional variation and the spelling accord, and the searchable back catalogue now covers nearly every argument speakers have about the language. This is where you go when a grammar book gives a rule and you want to know whether anyone follows it. Entirely in Portuguese and written for an educated native audience, so it is a C-level reference, not a study tool.
Free full conjugation tables for any Portuguese verb, regular or irregular.
ToolsWebsites Free BeginnerIntermediateAdvanced
grammarwriting
Details
Type an infinitive and get every tense and mood laid out, including the personal infinitive and the future subjunctive that make Portuguese conjugation genuinely harder than Spanish. Free, fast and paired with dictionary, synonym and grammar sections from the same publisher. It is a Brazilian site, so where a form differs between varieties the Brazilian usage is what you see — check Priberam if you need the Portugal norm.
The standard free monolingual Portuguese dictionary, with Portugal and Brazil spellings.
Dictionaries Free BeginnerIntermediateAdvanced
vocabularyreading
Details
Fast, free and comprehensive, with full conjugation for every verb, etymologies, and an explicit switch between the Portuguese and Brazilian orthographic conventions — which is exactly what you need when the same word is spelled differently on each side of the Atlantic. Definitions are in Portuguese only, so it becomes useful around B1. This is the dictionary most Portuguese speakers actually open.
Leni talks about Brazilian news and culture in slow, clear Portuguese, with transcripts.
Podcasts Free Intermediate B1–B2
listeningvocabularyimmersion
Details
Short Portuguese-only episodes on current topics and everyday Brazilian life, delivered at a pace intermediates can actually follow, with full transcripts published free on the site. It is a one-person operation supported by voluntary contributions rather than a paywall, which is why it belongs on any free-resource list. Squarely intermediate — no English scaffolding at all.
Free public-domain US government language courses with textbooks and audio.
CoursesBooks Free BeginnerIntermediateAdvanced A1–C1
grammarlisteningspeakingreading
Details
Foreign Service Institute, Peace Corps and DLI materials — full textbooks plus hundreds of hours of audio — are public domain and hosted here for free across dozens of languages. The depth is extraordinary and the FSI Basic courses take diplomats to professional working proficiency, which no consumer app attempts. The recordings are from the 1960s–80s, the drills are relentless, and some vocabulary is dated (Cold War era), so they suit disciplined self-studiers, not casual learners.