Audio Fade In
Smooth Starts From Silence
Give any recording a gentle entrance. Choose a fade-in length from half a second to thirty seconds and download a polished track that never starts with a jolt.
What you control
- Fade length0.5s to 30s
- CurveSmooth linear ramp
- OutputSame / MP3 / WAV
- Uploads to serversNone
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How to add a fade in
- 01Add your audioDrop in an MP3, WAV or OGG file from your device.
- 02Choose fade lengthPick how long the rise from silence should take.
- 03Download the resultGet a track that opens gently instead of starting mid-air.
Features
Gentle entrances
Turn abrupt cold starts into smooth rises from silence.
Half-second precision
Short fades for fixes, long ambient fades for mixes and meditation tracks.
Edge-only preview
Playback starts right at the faded edge so you hear the effect in seconds.
Visual guide
The waveform highlights exactly which region will be faded.
Keeps everything else intact
Only the opening changes - the rest of your audio is copied untouched.
Private by design
Fading happens inside your browser - nothing is uploaded.
Built for smoother openings
Why add a fade in
Professional feel
Faded intros signal care - listeners notice polish even when they can't name it.
Perfect for playlists
Tracks that start from silence blend beautifully in sequences and mixes.
Calmer experiences
Meditation, sleep and yoga audio should never begin with a sudden attack.
Free forever
No accounts, no quotas, and no watermarks on the download.
The first second decides whether audio feels finished
An abrupt start is jarring. Audio that leaps straight to full volume feels unfinished, like a door swinging open mid-sentence. A fade in - even a short one-easing from silence to full level over a few seconds - tells the listener a human made this on purpose.
The mechanics are simple: for the fade duration, volume ramps linearly from zero to full, then the remainder of the track plays untouched. Short fades of half a second to a second suit podcasts and voice notes; longer sweeps of ten to thirty seconds belong in meditation audio, DJ mixes and ambient beds.
Pair fades with trimming for best results: cut any dead air first, then let the fade shape what remains. And preview from the edge - hearing the first few seconds is all you need to judge whether the length feels right.
“Twenty-second fade ins make my sleep recordings feel like drifting off rather than arriving.”
Anjali Rawat - Yoga Nidra guide
“Every first-dance edit gets a gentle fade so the room eases into the moment.”
Andre Silva - Wedding DJ
“Cold-open clips sound so much better once the first half second is faded.”
Fiona Walsh - Podcast editor
Frequently asked questions
What does a fade in do?
It ramps the volume smoothly from silence up to full level over the length you choose, then plays the rest of the track normally.
How long can the fade be?
Anywhere from half a second to thirty seconds, adjustable in half-second steps.
Can I preview the fade?
Yes - playback starts right at the beginning so you hear the fade immediately without scrubbing.
Which formats are supported?
MP3, WAV and OGG inputs, exported as the same format, MP3, or WAV.
Are my files uploaded anywhere?
No. Fading runs entirely in your browser, so your audio never leaves your device.