Audio & Video Tools

Convert subtitles between SRT, WebVTT and ASS, and shift their timing, without uploading the file.

Add, subtract and convert timecodes across frame rates — with drop-frame handled properly, not approximated.

Turn a clip of a video into a GIF, in your browser. Choose the range, frame rate and size — nothing is uploaded.

Remove the audio track from an MP4 without re-encoding the video — the picture is untouched.

Pull the audio track out of a video and save it as a WAV — no upload, no account, nothing re-encoded by us.

Cut an audio file down to the part you actually want, sample-exactly, and save it as a WAV.

Cut a clip out of an MP4 without re-encoding it — every frame kept is copied byte for byte.

Normalise loudness to a real ITU-R BS.1770-4 target — YouTube, podcast or custom LUFS — for an audio file or a video’s embedded track.

Turn an audio or video file into a waveform image, or an animated audiogram video that reacts to the real audio — the format podcast clips get posted with.

Save a still frame from a video as a PNG, JPEG or WebP — one frame, or a set spread evenly across the clip.

Record your microphone straight to a file, in the browser. Nothing is uploaded and no account is needed.

Record your screen, a window or a browser tab to a video file — with system sound or your microphone. Nothing is uploaded.

Transcribe a video or audio clip into SRT and WebVTT subtitles, with Whisper running in your own browser — no upload, no account, no per-minute cost.

Burn captions directly into your video’s frames — hardcoded, so they show up everywhere without a separate subtitle track. Bring your own SRT/VTT, or carry a result straight over from Auto Subtitle.