Free tool
A player that repeats one sentence at a time
Stop scrubbing. The AI finds every sentence boundary so replay means exactly one sentence, every time.
Every language learner knows the scrubbing dance: miss a sentence, drag the slider back, overshoot by eight seconds, listen to things you already understood, miss the same sentence again. The 10-second-rewind button was designed for podcasts, not for study.
ListenSlice replaces the slider with sentences. Your audio is transcribed and cut at sentence boundaries, so the player’s controls speak your language: replay this sentence, next sentence, previous sentence. One keystroke each, with millisecond-precise starts and stops.
live demo — real audio, real scoring
How it works
01Load any audio
Your own file, or one of 600+ free library episodes.
02Navigate by sentence
Arrow keys or click any sentence in the list — playback is exact.
03Loop what is hard
R replays the current sentence; flagged sentences collect for drilling.
Keyboard-first, like a study tool should be
Space plays or pauses, R replays the current sentence, arrow keys move between sentences, and M flags a sentence you did not catch so you can come back to just those. Your hands never leave the keyboard during a session.
Speed control that preserves pitch
Slow a hard sentence to 0.75x or push easy material to 1.5x without the chipmunk effect — time-stretching preserves the natural pitch of the voice (Pro feature). Slow listening is for decoding; natural speed is for training. You need both.
Frequently asked questions
How is this different from an A-B repeat player?
A-B repeat makes you find the loop points by hand, for every sentence. Here the AI has already found every boundary — each sentence is a one-keystroke loop, and there are word-level timestamps under the hood.
Can it slow down audio without distorting the voice?
Yes — playback from 0.5x to 2x uses pitch-preserving time-stretch, so voices stay natural instead of dropping into slow-motion growl. Speed control is a Pro feature; 1x sentence looping is free.
Does sentence playback work on a phone?
Yes. On mobile, transport controls sit in a bottom bar within thumb reach, and you can swipe between sentences.
What if the AI splits a sentence in the wrong place?
Occasional merges happen with run-on speech. Adjacent-sentence navigation makes this painless in practice: play the neighboring segment, or use the full-audio player for a longer span.
Ready to try it with your own audio?
free to start no sign-up audio never uploaded
related:Split any audio into sentences·Practice listening with your own MP3 files·Turn any audio into dictation exercises