OPUS to text — drop OPUS files from your WhatsApp export and get transcript plus summary in minutes.
Batch transcribe multiple OPUS files. Merge into the chat timeline. Then run analysis for bullets and action items.
Upload your chatHow it works
1
Export your WhatsApp chat with media. Voice notes are typically PTT-*.opus.
2
Upload the .zip. We detect OPUS files, transcribe them, and merge into the timeline.
3
Get transcript + summary. Run Meeting Recap or General Summary for action items and key points.
What you get
What you get
OPUS is common in WhatsApp — we handle it end to end.
Why OPUS exists in WhatsApp voice notes
WhatsApp uses OPUS for voice messages for good reasons.
- •Efficiency — OPUS gives strong audio quality at low bitrate, so voice notes are small and fast to send.
- •Standard in exports — when you export a chat with media, voice notes usually appear as PTT-YYYYMMDD-WAXXXX.opus.
- •We transcribe them, merge the text into the message timeline, and run analysis so you get searchable text and summaries.
Batch transcribe multiple OPUS files
No need to upload one file at a time.
Upload your full WhatsApp export .zip. We find all OPUS voice notes, transcribe them in order, and merge the transcripts into the chat timeline. Then you run General Summary or Meeting Recap to get bullets, decisions, and action items — all in one flow.
Key benefits
OPUS supported natively — WhatsApp’s common voice note format
Batch: all voice notes in one export, one upload
Transcript merged into the chat timeline — one story
Summaries and action items from voice content
No separate “OPUS converter” step — we do it in the same flow
Works with 1:1 and group exports
Use cases
Work voice notes — client updates, stand-ups, project syncs
Meeting recaps — when key decisions were in voice
Personal — long voice threads into searchable text
WhatsApp export with media — get transcript + summary from OPUS
Frequently asked questions
Privacy and security
Parsing happens in your browser; only necessary data is sent.
We don’t store your raw chat or voice note audio after processing.
Photos and videos never leave your device. Only chat text and voice note audio (for transcription) are sent.