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from $10.00 / 1,000 results

Speech-to-Text Converter

Introducing the Speech-to-Text Converter — Apify Actor! Transform your audio into text effortlessly with our powerful, serverless multi-engine transcription solution on Apify. Experience seamless and accurate transcription like never before!

Pricing

from $10.00 / 1,000 results

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Developer

Jamshaid Arif

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Monthly active users

3 days ago

Last modified

🎙️ Speech-to-Text Converter — Apify Actor

Serverless multi-engine speech-to-text transcription on Apify.

🛠️ Engines

Engine	Cost	Internet	Best For
Whisper Local	Free	No	Long files, best accuracy, 45+ languages
Google Speech	Free	Yes	Quick short clips, real-time results
Whisper API	Paid	Yes	Fast cloud processing, large files

📁 Supported Formats

Audio: WAV, MP3, FLAC, OGG, M4A, AAC, WMA, OPUS
Video: MP4, MKV, AVI, MOV, WEBM, FLV (audio auto-extracted)
Output: TXT, SRT subtitles, WebVTT, JSON

⚡ Quick Start

Via Apify Console

Select an Engine (Whisper Local recommended)
Paste the Input File URL (direct download link)
Choose Language and Output Format
Click Start

Via API

curl -X POST "https://api.apify.com/v2/acts/<ACTOR_ID>/runs?token=<TOKEN>" \
  -H "Content-Type: application/json" \
  -d '{
    "engine": "whisper_local",
    "input_file_url": "https://example.com/audio.mp3",
    "language": "en",
    "whisper_model": "small",
    "output_format": "srt"
  }'

📥 Input

Parameter	Type	Default	Description
`engine`	string	`whisper_local`	`whisper_local`, `google`, or `whisper_api`
`input_file_url`	string	—	Direct URL to media file
`language`	string	`en`	Language code or empty for auto-detect
`whisper_model`	string	`small`	`tiny`, `base`, `small`, `medium`, `large`
`openai_api_key`	string	—	OpenAI key (whisper_api only)
`output_format`	string	`txt`	`txt`, `srt`, `vtt`, `json`
`max_file_size_mb`	int	`500`	Max file size limit
`google_chunk_seconds`	int	`55`	Chunk size for Google engine

📤 Output

Dataset contains metadata:

{
    "status": "success",
    "engine": "whisper_local (small)",
    "language_detected": "en",
    "input_file": "interview.mp3",
    "output_url": "https://api.apify.com/.../interview_transcription.srt",
    "duration_audio_sec": 342.5,
    "processing_time_sec": 28.3,
    "character_count": 4521,
    "segment_count": 87,
    "text_preview": "First 500 characters of the transcription...",
    "message": "Transcribed with Whisper 'small' on CPU."
}

Key-Value Store contains:

interview_transcription.txt/srt/vtt/json — the output file (downloadable via output_url)
FULL_RESULT — complete JSON with full text + all segments

🌍 Languages (45+)

English, Spanish, French, German, Italian, Portuguese, Chinese, Japanese, Korean, Arabic, Hindi, Russian, Turkish, Urdu, Dutch, Polish, Swedish, Danish, Finnish, Norwegian, Greek, Czech, Romanian, Hungarian, Thai, Vietnamese, Indonesian, Malay, Ukrainian, Bulgarian, Croatian, Slovak, Slovenian, Serbian, Hebrew, Bengali, Tamil, Telugu, Malayalam, Kannada, Marathi, Gujarati, Punjabi, Swahili, Afrikaans, Filipino.

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