Audio & Voice Tools27 free tools

Raise or lower recording gain and export the adjusted audio. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Slow down or speed up audio and export the adjusted recording. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Analyze peak level and apply bounded gain for a consistent, unclipped audio output. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Shift playback pitch for practice, voice effects, and creative experiments. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Reverse decoded audio samples and export the result as a new recording. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Apply smooth fade-in and fade-out envelopes to the ends of a recording. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Adjust common frequency bands and export the tonal changes in the browser. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Reduce steady low-frequency rumble and high-frequency hiss with bounded filters. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Create a center-cancelled practice mix from suitable stereo recordings. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Convert audio files to MP3, WAV, OGG, or FLAC. Uploads are capped at 25 MB and temporary files are deleted from the server after conversion.

Decode an MP3 into a standard PCM WAV file for editing and playback. Use the focused controls, review the complete result, and note that processing runs through a bounded temporary server request.

Convert an M4A audio track to MP3 with metadata removed from the output. Use the focused controls, review the complete result, and note that processing runs through a bounded temporary server request.

Create a smaller MP3 listening copy from a FLAC source. Use the focused controls, review the complete result, and note that processing runs through a bounded temporary server request.

Convert Ogg Vorbis audio to an MP3 file supported by common players. Use the focused controls, review the complete result, and note that processing runs through a bounded temporary server request.

Extract the audio track from an MP4 video and save it as an MP3 file. Uploads are limited to 25 MB and deleted from the server after conversion.

Browse the current Microsoft Edge voice catalog, listen in the browser, or create a downloadable MP3 without an API key. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Turn an audio file into a downloadable waveform graphic. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Write common title, artist, album, and track fields to an MP3 ID3 tag. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Estimate a recording's tempo from onset energy and show the strongest beat candidate. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Estimate the dominant musical key from a recording's pitch-class energy. Use the focused browser controls, compare the result with the source, and check the page's processing note before working with sensitive material.

Trim an MP3 to an exact start and end time and download the cut clip. Uploads are capped at 25 MB and removed from the server after processing.