Word-level lyrics timestamps,
for real music.
You provide the lyrics; Tonael aligns them to your audio, word by word. Built for songs with instruments, dense mixes and real singing — not just spoken speech.
Send an audio file and its lyrics to a simple API. Get back a precise start and end time for every word.
Try it now
10 free minutesDrop in a song and its lyrics, and Tonael returns a start and end time for every word.
Ultra adds vocal isolation — best for dense mixes.
Every result includes both — take what you need, same price.
Add a song and its lyrics to start.
Made for music, not dictation
Generic speech-to-text falls apart on singing over instruments. Tonael is built for the hard case: aligning known lyrics to real recordings.
Word — or letter
A start and end time for every word, or every single letter. Perfect for karaoke-grade highlighting and fill effects — same price.
Handles dense mixes
Tonael Ultra isolates the vocal before aligning, so it stays accurate even when the vocal sits deep in the mix.
Simple & fast
One API call. Hot results in minutes, or batch for the best price. Delivered by webhook the moment they're ready.
Two models, one API
Pick per request. Same simple input, same word-level output.
Tonael
$0.045 / minWord-level lyrics alignment. The fast, everyday choice for clean vocals and most recordings.
Tonael Ultra
$0.095 / minVocal isolation plus alignment. Recommended for dense mixes and demanding material where accuracy matters most.
How it works
Send audio + lyrics
POST your audio file and its lyrics text, and choose a model.
Tonael aligns
We match every word to the audio. Choose hot for speed or batch for the best price.
Get timestamps
Receive precise per-word timings by webhook, ready to drive your product.
Built for teams that work with lyrics
From $0.16 per song
Pay only for what you process, from a prepaid balance in dollars. Every new account starts with 10 free minutes — no card required.