How It Works
Three steps. No installs. Done in minutes.
Your Complete Audio & Video Toolkit
Transcribe, convert, extract — everything audio & video, handled in one place.
AI Transcription
Speech to text with speaker labels, timestamps, and 95%+ accuracy.
Format Conversion
MP3, WAV, M4A, OGG, FLAC — convert any audio or video format instantly.
Video to Audio
Extract audio from MP4, YouTube, Zoom recordings, and more.
Lightning Fast
Most files processed in under three minutes. No waiting around.
People Love These Tools
Podcasters, researchers, marketers, and remote teams use our audio & video tools every day.
Trusted and Secured by Industry Experts





Why People Pick Our Audio & Video Tools
Voice Memo Friendly
Recorded a thought on your iPhone? Profi PDF is built to handle M4A files perfectly, turning your rambles into readable notes.
Who Said What
Don’t get lost in the conversation. Profi PDF detects different voices and labels them, so you know exactly who is talking.
Timestamps Everywhere
Need to find a specific quote? Every sentence is time-coded. Click the text and jump right to that moment in the audio.
More Than Just M4A
Got MP3s, WAVs, or even video files? Throw them in. Profi PDF is an all-in-one transcription powerhouse.
Subtitle Ready
Need captions? Export as SRT or VTT instantly. Perfect for social clips or making your content accessible.
Private by Design
We don’t keep your audio. Files are encrypted during upload and deleted after processing. Your secrets stay yours.
M4A to Text Online
No signup needed. Just pick a tool and go.
Transcribe M4A NowFrequently Asked Questions
Quick answers about our audio & video transcription and conversion tools.