5 free browser-based tools to convert, trim and boost audio files between common formats - no software required.
Convert audio files between MP3, WAV, OGG, FLAC and more.
Trim audio clips to the exact start and end point you need.
Increase the volume of quiet audio files.
Convert MP3 audio files to uncompressed WAV format.
Convert WAV files to smaller MP3 format for sharing.
Common questions about audio conversion, trimming and volume adjustment.
The Audio Converter supports common formats including MP3, WAV, OGG, FLAC and AAC, depending on your browser's codec support. MP3 and WAV are the most widely supported. Some formats like FLAC may not be available in all browsers.
Converting from a lossless format (WAV, FLAC) to a lossy format (MP3, AAC) will reduce quality. Converting between two lossy formats (MP3 to AAC) can introduce additional degradation. Converting from lossy to lossless (MP3 to WAV) does not recover lost quality - it just changes the container.
Use the Audio Trimmer tool. Load your audio file, set the start and end points using the timeline or time inputs, then export the trimmed clip. The tool processes the audio locally in your browser.
Boosting volume beyond the available headroom causes clipping - a form of distortion where the audio signal exceeds the maximum level. If the original audio is already near maximum volume, boosting will cause distortion. Try a smaller boost amount.
There is no hard server-side limit because processing happens locally. Practical limits depend on your device memory and browser. Very large audio files may be slow to process on mobile devices.
MP3 uses lossy compression to reduce file size - it discards audio information the ear is less likely to notice. WAV typically stores uncompressed PCM audio, resulting in much larger files but no compression artifacts. Use WAV for editing and archiving; use MP3 for sharing and streaming.
Tool reference
Audio tools convert common formats, trim time ranges and increase volume. Always listen to the finished output because codec choice, cuts and gain can change what you hear.
Convert audio files between MP3, WAV, OGG, FLAC and more. Use it when you need converting, trimming or adjusting audio locally in a modern browser. Listen to speech, music transients and quiet sections, confirm the output duration, and make sure the target device or service accepts the chosen format.
Trim audio clips to the exact start and end point you need. Use it when you need converting, trimming or adjusting audio locally in a modern browser. Listen through the start and end, check for clicks, missing syllables or clipped transients, and confirm the duration. Leave a small natural margin when trimming spoken audio.
Increase the volume of quiet audio files. Use it when you need converting, trimming or adjusting audio locally in a modern browser. Listen to the loudest sections on headphones and speakers. If the waveform or sound becomes harsh, reduce the boost instead of forcing every file to maximum level.
Convert MP3 audio files to uncompressed WAV format. Use it when you need converting, trimming or adjusting audio locally in a modern browser. Listen to speech, music transients and quiet sections, confirm the output duration, and make sure the target device or service accepts the chosen format.
Convert WAV files to smaller MP3 format for sharing. Use it when you need converting, trimming or adjusting audio locally in a modern browser. Listen to speech, music transients and quiet sections, confirm the output duration, and make sure the target device or service accepts the chosen format.
Complete category reference
Audio workflows depend on source quality, codec, bitrate, duration, channels and gain. A useful output should be listened to after processing; larger formats do not restore detail previously removed by lossy compression.
Convert audio files between MP3, WAV, OGG, FLAC and more.
Use it when you need converting, trimming or adjusting audio locally in a modern browser. Audio conversion decodes the source and encodes a new file in the selected format. Converting a lossy source such as MP3 to WAV does not restore information that was discarded earlier.
Before you finish, Listen to speech, music transients and quiet sections, confirm the output duration, and make sure the target device or service accepts the chosen format.
Trim audio clips to the exact start and end point you need.
Use it when you need converting, trimming or adjusting audio locally in a modern browser. Trimming creates a shorter clip from the selected time range. Re-encoding may occur depending on the output format, so the result should be auditioned around both cut points.
Before you finish, Listen through the start and end, check for clicks, missing syllables or clipped transients, and confirm the duration. Leave a small natural margin when trimming spoken audio.
Increase the volume of quiet audio files.
Use it when you need converting, trimming or adjusting audio locally in a modern browser. Volume boosting increases signal level. If peaks are already close to the maximum, additional gain can cause clipping and audible distortion rather than simply making the file clearer.
Before you finish, Listen to the loudest sections on headphones and speakers. If the waveform or sound becomes harsh, reduce the boost instead of forcing every file to maximum level.
Convert MP3 audio files to uncompressed WAV format.
Use it when you need converting, trimming or adjusting audio locally in a modern browser. Audio conversion decodes the source and encodes a new file in the selected format. Converting a lossy source such as MP3 to WAV does not restore information that was discarded earlier.
Before you finish, Listen to speech, music transients and quiet sections, confirm the output duration, and make sure the target device or service accepts the chosen format.
Convert WAV files to smaller MP3 format for sharing.
Use it when you need converting, trimming or adjusting audio locally in a modern browser. Audio conversion decodes the source and encodes a new file in the selected format. Converting a lossy source such as MP3 to WAV does not restore information that was discarded earlier.
Before you finish, Listen to speech, music transients and quiet sections, confirm the output duration, and make sure the target device or service accepts the chosen format.