Adjust Audio Volume
Adjust gain or normalize the highest sample peak, compare waveforms and listen to the verified WAV. Local processing with no automatic clipping.
Open toolAudio & video tools
Adjust audio volume and channels, cut recordings, prepare captions and make video contact sheets. Local browser tools with explicit format and duration limits.
Available tools
17 ToolsEdit audio
Convert Audio Channels
Mix stereo into mono, keep only the left or right channel, or duplicate mono into two identical channels. Preview waveforms and download a checked WAV.
Open toolTrim Audio
Choose the part of a recording you need, listen to the preview and download an actual WAV clip. Audio stays in your browser.
Open toolJoin Audio Files
Put recordings in order, choose pauses and combine them into one WAV file. Preview and download the result locally.
Open toolExtract Audio from Video
Save the soundtrack of a local video as a real WAV file. Select a section, listen to the result and download without uploading.
Open toolVideos & animations
Video Contact Sheet
Turn a short video into a PNG overview of evenly spaced real frames with their actual timestamps. Choose the grid and review the checked image locally.
Open toolAudio to Video / Audiogram
Combine a short audio clip with a cover, title and waveform to make an actual video. Preview and download a local WebM when your browser supports the encoder.
Open toolBurn Subtitles into Video
Add an existing SRT or VTT subtitle file to a short video. Captions become visible pixels in a new checked video, with supported audio retained.
Open toolExtract an Image from Video
Choose a moment in a local video and export the decoded frame as PNG or JPEG. Review the exact image before downloading.
Open toolVideo Format & Size Fixer
Inspect video tracks and create a checked MP4 or WebM within a confirmed size target.
Open toolGIF Compressor & Editor
Crop, resize and shorten an animation, then inspect the actual exported GIF.
Open toolVideo to GIF
Turn a short local video selection into an animation, explicitly omitting its sound.
Open toolGIF to Video
Convert an animation cycle to locally verified MP4 or WebM when the browser supports it.
Open toolSpeech & presentation
Audio & Video Transcription
Recognize English or German speech locally, review timestamps and export text or subtitles.
Open toolSubtitle Repair
Repair SRT and WebVTT timing with editable cues and drift correction.
Open toolRead Text Aloud
Listen to text in manageable sections using available browser or system voices. Choose speed, pause and jump between sections.
Open toolOnline Teleprompter
Read a script with controlled scrolling, adjustable text size and mirror mode. Pause, restart or enter full screen without a camera or account.
Open tool