Online Audio Converter

• An audio converter built into a real editor

  Most converter sites hand you a download link and end there. Here the file lands on a multi-track timeline, so after converting you can cut a section, rearrange takes, or layer in music before exporting. EchoWave is a video editor at heart, and the full audio editor lives in the same tab whenever a file needs more than a new extension.

• Lossy and lossless, both directions

  Shrink big files for sharing, or go the other way with MP3 to WAV when a piece of software insists on uncompressed input. FLAC sits in the middle, compressed but lossless, and EchoWave reads and writes it, with FLAC to MP3 covered for the trip back.

• Pull the audio out of any video

  Feed it MP4, MOV, WebM, or AVI and EchoWave strips the audio track into the format you pick. MP4 to MP3 is the most common pair, and extract audio from video walks through the workflow for interviews, lectures, and live recordings.

• Bitrate control that matches the job

  Choose the bitrate before exporting instead of accepting a default. Speech stays clear at 128 kbps, music holds its detail at 192 kbps and up, and MP3 tops out at 320 kbps. If the goal is a smaller file rather than a different format, the audio compressor is built for exactly that.

• Trim, fade, and fix the volume first

  Cut the dead air at the start, add a fade in and fade out, or raise a recording that came out too quiet, all before the encode runs. On a plain converter, those three fixes mean a second tool and another round of uploading.

• Cloud rendering on any device

  Conversions run on EchoWave's cloud render farm, not your processor, so a Chromebook handles an hour-long recording the same way a workstation does. It works in Chrome, Edge, Firefox, and Safari on Mac, Windows, and Linux, with desktop apps for Mac and Windows if you prefer one.

• A transcript with your conversion

  Run AI captions on the source before you export and the speech becomes text with word-level timestamps, in dozens of languages. The transcript exports as SRT, VTT, TXT, or JSON alongside the converted audio, which turns a folder of old recordings into something you can search.

1. 1

   Upload your file

   Drag the file into the editor or pick it from your device. MP3, WAV, M4A, FLAC, OGG, and AAC all load, along with MP4, MOV, WebM, and AVI when the audio is still inside a video.

2. 2

   Trim and clean it up

   This step is optional but usually worth it. Cut what you do not need on the timeline, add a fade in or out, and fix the volume if the recording came out quiet. Text-based editing can strip silences and filler words from speech automatically.

3. 3

   Pick the output format and bitrate

   Choose MP3, M4A, WAV, or FLAC in the export panel. For lossy targets, set a bitrate to match the content, lower for speech, higher for music, then preview the result in the browser before committing.

4. 4

   Export and download

   The cloud render farm encodes the file and hands it back. On the free plan the export is an HD MP4 with a small removable watermark badge; audio-only files come with paid plans, with MP3 and M4A on Basic and WAV and FLAC on Pro.

• Podcast masters to feed-ready files

  Convert the WAV bounce from your editing session into the MP3 your podcast feed expects. Trim the pre-roll and add a fade on the same timeline before exporting.

• Demos people can actually open

  A 50 MB WAV gets ignored in a group chat. As a 192 kbps MP3 the same song is roughly a tenth the size and plays on any phone without a special app.

• Voice memos that refuse to play

  iPhone memos arrive as M4A, and some course platforms and older players still want MP3. One pass through the converter settles the complaint for good.

• Interviews recorded as video

  Zoom, Meet, and phone cameras save conversations as video files. Strip the track to audio for a podcast feed, a transcription pass, or your notes archive.

• Archiving without the bulk

  FLAC keeps every bit of the original at roughly half the size of WAV. Convert finished projects to FLAC on the Pro plan and store masters without the storage bill.

• Narration as a standalone file

  Type a script, generate speech with one of 63 AI voices, and export it as audio. That covers slide decks, phone system prompts, and narration bound for another editor.

Based on each tool's public pages as of July 2026. Free limits and file size caps change often, so confirm current terms before building a workflow around them.