Transcribe Portuguese audio with WhisperAI
WhisperAI transcribes Portuguese (Português) audio for the around 260 million speakers, the vast majority in Brazil who use the language across Brazil, Portugal, Angola, Mozambique, Cape Verde, Guinea-Bissau, São Tomé and Príncipe, East Timor, and Macau. Built on OpenAI Whisper and tuned for the realities of Portuguese speech, the service produces publication-grade transcripts in Latin alphabet with diacritics (ã õ ç á à â é ê í ó ô ú).
Who actually needs Portuguese transcription
Portuguese is dominated by Brazil in volume — fintech, ag-tech and SaaS are all booming and rely heavily on transcription for sales, support and product research. Portugal contributes a smaller but highly engaged podcast and journalism market. African Lusophone use is growing fast in Angola and Mozambique.
Dialects and varieties handled
- Brazilian Portuguese (especially Paulista, Carioca, Nordestino, Gaúcho)
- European Portuguese (Lisbon and Porto)
- Angolan Portuguese
- Mozambican Portuguese
Brazilian vs European Portuguese — and why most ASR can't tell
Brazilian and European Portuguese diverge sharply in pronunciation: European speakers reduce unstressed vowels to near-inaudibility, while Brazilian speakers keep them open. They also use different second-person pronouns (você vs tu) and different verb forms. Whisper was trained on both varieties and handles them without a region switch, so a Lisbon CEO and a São Paulo product manager on the same call both transcribe correctly.
Brazilian (Paulista, Carioca, Nordestino, Gaúcho), European (Lisbon, Porto) and African Portuguese (Angola, Mozambique) all transcribe without a manual variety setting.
How Portuguese speakers actually use WhisperAI
- Brazilian fintech and SaaSSão Paulo and Florianópolis revenue teams transcribe customer calls in Portuguese for QA and product feedback, often mixing in English loanwords ("churn", "onboarding", "pricing") that the model spells correctly.
- European Portuguese journalismLisbon-based reporters get usable transcripts of source recordings without losing the elided vowels or contracted forms typical of European speech.
- Bilingual Portuguese-English meetingsBrazilian companies with US investors often run mixed-language meetings; Whisper handles the code-switching and tags both portions correctly.
- Angolan and Mozambican mediaAfrican Portuguese — with its distinct rhythm and Bantu-influenced vocabulary — finally has reliable ASR for radio interviews and podcast production.
What Portuguese transcripts include
Native Latin alphabet with diacritics (ã õ ç á à â é ê í ó ô ú)
Output in Latin alphabet with diacritics (ã õ ç á à â é ê í ó ô ú) with all diacritics, tone marks, special characters and script-specific conventions preserved — never transliteration.
Speaker labels
Diarisation that separates and labels speakers in Portuguese interviews, panels and multi-party meetings.
Timestamps and SRT
Word-level timestamps and SRT subtitle export for Portuguese video captioning, with proper line-breaking for the script.
Editor and exports
In-browser editor with PDF, DOCX, TXT and SRT exports. Edit the transcript without leaving the browser, then download the format your downstream workflow expects.
How to transcribe Portuguese audio
Upload your Portuguese recording
Drop in MP3, WAV, M4A, MP4 or similar — files up to 5GB. Long-form Portuguese interviews, lectures and meetings work without splitting.
Whisper transcribes the audio
The model recognises Portuguese speech across the dialects above and outputs Latin alphabet with diacritics (ã õ ç á à â é ê í ó ô ú). Code-switched English and other languages in the same recording are handled inline.
Edit, label and export
Open the transcript in the editor, fix any names or terms, label speakers, and export to PDF, DOCX, TXT or SRT. Optional AI summary surfaces the key points and decisions.
Transcribe in 100+ languages
WhisperAI supports Portuguese alongside over 100 other languages with the same accuracy and editor experience.
Other widely-used pages: English, Spanish, French, German, Japanese, Korean, Chinese, Arabic, Russian, Hindi, Italian, and 80+ more languages including Swedish, Norwegian, Danish, Finnish, Greek, Malay, Filipino and beyond.
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Transcription guides and best practices
Start transcribing Portuguese today
Sign up free, drop in your first Portuguese file, and have a usable transcript in minutes.