Lo-Fi Audio Effect Online
Give any audio — a song, beat or voiceover — a warm, cozy lo-fi color.
How to Use
- Upload a beat, song or voiceover — or record in the browser.
- Set how heavy the lo-fi warmth is.
- Preview and download your lo-fi track.
FAQ + Formats
FAQ
What does it change?
It softens the highs, warms the tone and adds a gentle wobble and echo.
Does it work on vocals?
Yes — it gives voices a warm, intimate, old-tape feel.
Want it even more worn?
Stack it with the Vinyl effect for extra crackle and age.
Supported Formats
Input: audio/video. Output: MP3, WAV, OGG, FLAC, M4A, MP4.
What the lo-fi effect does
It softens the highs, warms the low-mids and adds a gentle wobble and echo, so audio takes on that cozy, slightly worn lo-fi character. It is the sound of chill study and relax playlists.
Cozy warmth or heavy tape
A light setting just warms the tone and takes the edge off. A stronger one leans into the wobble and roll-off for a well-worn, nostalgic feel.
Tips
- Great on beats, piano, guitar and mellow vocals.
- Layer with Vinyl for extra crackle and age.
- Use it to make fresh AI voiceovers sound warm and intimate.
How the lo-fi effect is made
No AI — just a short, classic DSP chain applied to your audio. Here's the recipe:
Bandthe signal is squeezed to a warm 100 Hz – 2.8 kHz range, like an old cassette
Wobblea gentle 5 Hz vibrato adds tape-style wow
Spacea soft echo and light bass lift give that cozy studio warmth