# Audio Crossfade

Apply a crossfade between two audio files

> Canonical page: https://elysiatools.com/en/tools/audio-crossfade

- **Category:** Media

- **Keywords:** audio, crossfade, fade, mix

## Overview

The Audio Crossfade tool blends two audio files together by applying a crossfade effect, allowing you to specify the fade duration and choose from various output formats for smooth transitions in audio projects.

## Inputs

- **Audio File A** (file): Select first audio
- **Audio File B** (file): Select second audio
- **Crossfade Duration (seconds)** (number): 3.0
- **Output Format** (select)

## When to use

- When merging two audio tracks to avoid abrupt cuts or silence.
- For creating professional transitions in podcasts, music mixes, or video soundtracks.
- When preparing audio files that need seamless blending for presentations or media production.

## How it works

- Upload the first audio file (Audio File A) in a supported format.
- Upload the second audio file (Audio File B) to be blended with the first.
- Set the crossfade duration in seconds, from 0.1 to 120, with a default of 3 seconds.
- Select the output format (e.g., MP3, AAC, WAV) and process to download the crossfaded audio.

## Use cases

- Podcast editing to smoothly transition between segments or episodes.
- Music production for blending tracks in DJ mixes or album compilations.
- Video editing to create seamless audio transitions in soundtracks or presentations.

## Frequently asked questions

### What audio formats can I upload?

You can upload common audio formats like MP3, WAV, AAC, and others, as the tool accepts audio files broadly.

### How long can the crossfade be?

The crossfade duration can be set from 0.1 to 120 seconds, with a default of 3 seconds.

### What output formats are available?

You can choose from MP3, AAC, M4A, OGG Vorbis, Opus, FLAC, or WAV for the output file.

### Is there a file size limit for uploads?

Yes, each audio file can be up to 200 MB in size.

### Can I use this for real-time audio mixing?

No, this tool processes pre-recorded audio files and is not designed for live or real-time audio applications.

## Related tools

- [Audio Crossfade Batch](https://elysiatools.com/en/tools/audio-crossfade-batch): Batch concatenate audio files with automatic crossfades
- [Audio Crossfade Merge](https://elysiatools.com/en/tools/audio-crossfade-merge): Merge audio files with a crossfade effect between them
- [Audio Interview Level Matcher](https://elysiatools.com/en/tools/audio-interview-level-matcher): Match loudness between a host and a guest track (or any two voice takes) while preserving natural dynamics.
- [Audio Mixer](https://elysiatools.com/en/tools/audio-mixer): Mix two audio files together with customizable timing control
- [Audio Room Tone Matcher](https://elysiatools.com/en/tools/audio-room-tone-matcher): Match room tone or ambience between two recordings
- [Batch Audio Rename](https://elysiatools.com/en/tools/audio-batch-rename): Batch rename audio files using patterns, text replacement, numbering, and case conversion. Returns renamed files as a ZIP download.
- [Audio Chorus](https://elysiatools.com/en/tools/audio-chorus): Apply a chorus effect
- [Audio Concat](https://elysiatools.com/en/tools/audio-concat): Concatenate audio files in a specified order

## Samples

- [Copyright-Free FLAC Audio Samples](https://elysiatools.com/en/samples/flac-samples): Lossless FLAC audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
- [Copyright-Free MP3 Audio Samples](https://elysiatools.com/en/samples/mp3-samples): Collection of royalty-free audio samples for testing and development purposes including nature sounds, meditation music, and ambient audio
- [Copyright-Free WAV Audio Samples](https://elysiatools.com/en/samples/wav-samples): Uncompressed PCM WAV audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
- [Copyright-Free Raw PCM Audio Samples](https://elysiatools.com/en/samples/pcm-samples): Raw PCM s16le audio samples featuring nature ambience and relaxing music for waveform, playback, and conversion workflows

## Related content

- [Multitrack Audio Mixing and Overlay](https://elysiatools.com/en/hubs/audio-multitrack-mixing-and-overlay): Balance multiple audio sources, place timed layers, smooth handoffs with crossfades, and verify a clean, non-clipping result by listening and checking peaks.
- [Seamless Audio Loops, Ambience, and Rhythm Beds](https://elysiatools.com/en/hubs/seamless-audio-loops-ambience-and-rhythm-beds): Find clean loop seams, generate or extend ambience, align musical timing, and finish repeatable audio beds with fades, crossfades, and tempo-synced motion.