Translate English audio to Portuguese. Upload a recording and get a Portuguese transcript with timestamps next to the English original. Export TXT, DOCX or SRT.
Free for recordings up to 1 hour and 1 GB. Longer files need a paid plan.
How It Works
Drop the English audio or video you want translated.
The speech is transcribed with timings, then every line is translated into Portuguese, keeping the timings.
Download the SRT or VTT, or copy the text — the original-language file comes with it.
The Translate English Audio to Portuguese is a free online tool from ShortsHero: english recordings as Portuguese text. The speech is transcribed by AssemblyAI, then every line is translated with its timings kept — usually under a minute for a 5-minute file. It is free for files up to 1 hour; longer recordings need a paid plan.
English is in AssemblyAI's high-accuracy tier, with a typical word error rate of 10% or less on clear speech. English also runs on AssemblyAI's newest Universal-3.5 Pro model, which handles regional accents and mixed-language speech.
Free transcription covers files up to 1 hour. If your recording is longer, a paid plan lifts the limit — or trim it into parts and run each one.
Why Use This Tool
Line by line, so every subtitle keeps the timing of the speech it came from.
You get the source-language subtitles too, to check or reuse.
Ready for YouTube, Vimeo, Premiere, Resolve and every major player.
Whole recordings, not a sample.
Use the files anywhere — the transcript and subtitles are yours.
Open the SRT in our free subtitle editor to correct names and terms.
Yes. Files up to 1 hour long are free, with no watermark and no account needed. Recordings longer than 1 hour need a paid ShortsHero plan.
English is in AssemblyAI's high-accuracy tier, with a typical word error rate of 10% or less on clear speech. English also runs on AssemblyAI's newest Universal-3.5 Pro model, which handles regional accents and mixed-language speech. Accuracy drops with music, crosstalk and distant microphones, so check names and technical terms before you publish.
MP4, MOV, WebM, MKV, MP3, WAV, M4A, AAC, OGG, FLAC and most other audio and video formats, up to 1 GB. For a long video, uploading just the audio is faster.
Yes. The speech is transcribed into timed lines first, and each line is translated on its own, so the Portuguese subtitles appear exactly when the words are spoken.
Usually well under the length of the recording — a 10-minute file is typically done in about a minute.
ShortsHero turns long videos into short vertical clips with AI moment detection, face tracking and animated captions — and has free tools for subtitles, transcripts and video formats.
The same transcription powers ShortsHero's clip maker: it finds the strongest moments, reframes them to vertical and adds word-by-word captions in 36 styles.
Try the clip maker freeFree to start · No credit card required
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