Podcast Clip Maker

A podcast clip maker for audio highlights and audiogram videos

The best minute of your episode deserves to be heard outside the podcast app. This podcast clip maker lets you find that minute on the waveform, then export it two ways: as an audio clip with smooth fades, ready for a trailer, a newsletter or a WhatsApp message, or as an audiogram — a short MP4 with your cover art, a title, an animation that moves with the voice and optional captions, sized for Instagram, TikTok, YouTube Shorts, LinkedIn or X.

Long episodes are no problem: the whole file is read once to draw a zoomable waveform, and only the part you pick is decoded and rendered. Everything happens in your browser with WebCodecs, so unreleased episodes stay on your computer.

How to use the Podcast Clip Maker

1. Drop the episode (MP3, M4A, WAV, FLAC or even a video file) on the upload area and wait for the waveform.
2. Click or drag on the small overview to move around, zoom with the buttons, then drag the two handles — or type Clip start and Clip end — around the highlight. The Clip length buttons set 15–90 seconds at once.
3. Set the fades and press Play clip to listen. Download audio clip saves it as MP3 or WAV.
4. For a video, pick the Format (square, vertical or landscape), add a title, subtitle and cover art, and choose the animation and colours.
5. Tick Captions and type one line per caption, or import an SRT or VTT file. Drag the preview slider to check them.
6. Press Create audiogram MP4. The video downloads when it is ready and plays below for a final check.

Podcast Clip Maker features

What makes a good audiogram

• Pick a moment that stands on its own — a strong opinion, a surprising fact or a funny exchange that needs no context. 30–60 seconds is a common length.
• Always add captions. Many people scroll with the sound off, so the words have to be readable. If you have a transcript with timings, import it as SRT; trim long cues so each fits on two or three lines.
• Use vertical 9:16 for Reels, Shorts and TikTok, square for feeds, landscape for YouTube and websites. In the vertical layout the captions sit above the bottom fifth, where those apps place their buttons.
• Make the title the hook, not the episode number: “Why we stopped hiring generalists” beats “Episode 48”.

Audio clip or video?

An audio clip is perfect for a trailer, a newsletter, a voice message or a teaser in a podcast app. Social feeds need video, which is exactly what an audiogram is: the sound with something to look at. To prepare the full episode for publishing — loudness at −16 LUFS, tags and chapters — use the Podcast Converter. For simple trims without video, the Audio Cutter is quicker, and Burn Subtitles adds captions to a video you already have.

How the video is made

Only the selected part of the episode is decoded. Each video frame is drawn on a canvas — the background, cover and title once, then the animation, progress bar and current caption for every frame at 30 fps — and encoded to H.264 with the browser’s WebCodecs encoder; the clip’s sound is encoded to AAC and both are written into an MP4 by Mediabunny, an open-source library (MPL-2.0); MP3 clips use the LAME encoder (LGPL). A one-minute 1080p clip is 1,800 frames, which usually takes well under a minute on a recent laptop.