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Audio & Subtitles tools

Trim and convert audio; convert and sync subtitles.

Runs in your browser · No upload24 coming soon

Coming soon 24

Trim Audio Coming soonCut the part you need from an MP3 or WAV file and save it. Merge Audio Files Coming soonJoin several audio files in the order you choose and save them as one. Audio Converter Coming soonConvert audio files between MP3, WAV, M4A, OGG and FLAC. Compress Audio Coming soonMake MP3 and other audio files smaller by lowering the bitrate. Normalize Audio Volume Coming soonRaise quiet audio or even out uneven volume to a consistent loudness. Fade In / Fade Out Audio Coming soonAdd a gradual fade-in at the start or a fade-out at the end of an audio file. Audio Speed & Pitch Changer Coming soonChange the playback speed and pitch of audio, separately or together. Remove Silence from Audio Coming soonDetect and cut silent gaps at the start, end or middle of a recording. Reverse Audio Coming soonFlip an audio file so it plays backwards, then save it. Stereo to Mono Converter Coming soonMix stereo down to mono or split the left and right channels into two files. BPM Detector Coming soonAnalyze a music file and find its tempo in beats per minute. Online Voice Recorder Coming soonRecord from your microphone and save the recording as MP3 or WAV. Audio Noise Reduction Coming soonReduce hum, hiss and other background noise in a recording. Speech to Text Coming soonTranscribe speech in audio or video files into text or SRT subtitles. Audio Waveform Viewer Coming soonSee an audio file's waveform and save it as a PNG image. MP3 Tag Editor Coming soonEdit the title, artist, album and cover art stored in an MP3's ID3 tags. Ringtone Maker Coming soonPick a section of a song and save it as an iPhone (M4R) or Android ringtone. SRT to VTT Converter Coming soonConvert SRT subtitles to WebVTT, or WebVTT back to SRT. SMI to SRT Converter Coming soonConvert SMI (SAMI) subtitles, common in Korea, to the SRT format. Subtitle Sync Adjuster Coming soonShift all subtitle timings earlier or later so they match the video. Merge Subtitle Files Coming soonJoin split subtitle files, such as CD1 and CD2, into one with correct timing. Split Subtitle File Coming soonSplit a subtitle file into two or more parts at a chosen time or line. Online Subtitle Editor Coming soonEdit subtitle text and start/end times while watching the video, then save. Fix Subtitle Encoding Coming soonFix garbled subtitles by converting EUC-KR and other encodings to UTF-8.

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