Echo & Delay
Add echo or delay to any audio. Control delay time, feedback and mix for slapback, dub or ping-pong effects.
Your files are processed locally and never uploaded
How to use
1
Drop an audio or video file.
2
Adjust the sliders and press Preview to hear it.
3
Apply the effect and download your track.
About this tool
The delay line feeds back into itself, filtered a little on each repeat so echoes darken naturally.
All processing happens locally in your browser, ensuring complete privacy for your recordings and music.
Frequently asked questions
Are my files uploaded?
No. AudioCharger processes everything inside your browser. Your files never leave your device and nothing is stored on a server.
Is it free?
Yes. Every AudioCharger tool is free, with no sign-up, no watermark and no file limits beyond your device's memory.
Which formats can I save as?
MP3, WAV, FLAC, M4A (AAC) and OGG (Opus). MP3 is selected by default.