# Audiogram Maker - Turn Podcast Audio into Waveform Videos

> Turn podcast, interview or music clips into audiogram videos online: spectrum, waveform or circular visualizer, cover art, captions, progress bar, MP4 export.

- URL: https://qilingtools.com/en/audio/audiogram
- Category: Audio Tools (https://qilingtools.com/en/audio)
- Tags: [Audio](https://qilingtools.com/en/tags/audio), [Video](https://qilingtools.com/en/tags/video), [Social Media](https://qilingtools.com/en/tags/social)
- Last updated: 2026-10-26
- Price: Free, no sign-up
- Privacy: Runs locally in the browser; files are never uploaded

Social feeds want video, not audio. This tool turns a podcast, interview or music clip into an audiogram: a video with an animated visualizer that moves with the sound. Click the waveform to pick a highlight of up to three minutes, with optional audio fades. Choose spectrum bars, mirrored bars, a waveform, a thin line or a circular visualizer around your cover art; the motion comes from a frame-by-frame FFT analysis of your audio, so it really follows the sound. Add cover art (round, with an optional pulse), a title and an episode line, pick a theme with a gradient, solid or blurred-cover background, and show a progress bar with time. Import SRT, LRC or VTT captions, or paste them; times refer to the original audio and are shifted to your clip automatically, and CJK text wraps cleanly. Export 1:1, 9:16 or 16:9 at 720p or 1080p, 24 or 30 fps. Each frame depends only on its analysis data, captions and style, so the H.264 + AAC MP4 matches the preview exactly. Everything runs in your browser; your audio is never uploaded.

## How to use

1. Choose an audio file and click the waveform to pick a clip (up to 3 minutes)
2. Pick the aspect ratio, theme and visualizer, then add cover art, a title and captions
3. Preview it and click Create MP4 to download the video

## Features

- Five visualizers: bars, mirrored, waveform, line, circular
- Frame-by-frame FFT analysis synced to the audio
- 1:1, 9:16 and 16:9 at 720p or 1080p
- Cover art, title, subtitle, progress bar and time
- SRT / LRC / VTT captions aligned to the clip
- Six themes with gradient, solid or blurred-cover backgrounds
- Chunked encoding to H.264 + AAC MP4

## FAQ

### Why are clips limited to 3 minutes?

Every frame is drawn and encoded in your browser: three minutes at 30 fps is 5,400 frames, which takes a few minutes at 720p. Audiograms on social media work best at 30–90 seconds anyway, so pick your strongest moment. For longer content, export several clips.

### My captions are out of sync. What should I do?

Caption times are read against the original audio and the clip start is subtracted automatically, so import the captions for the whole episode as they are. If your captions already start at the beginning of the clip, set the clip start to 0 or shift the times first in the site’s Subtitle Editor.

### Can I post the video to Instagram, TikTok or YouTube?

Yes. The export is a standard MP4 with H.264 video and AAC audio that every major platform accepts. Use 9:16 for Reels, Shorts and TikTok, 1:1 for feed posts, and 16:9 for YouTube.

### Is my audio uploaded anywhere?

No. Decoding, spectrum analysis, frame drawing and FFmpeg encoding all happen in your browser, so the file never leaves your device. Formats the browser can’t decode directly are converted with a local copy of FFmpeg first.

## Related tools

- [Convert Audio](https://qilingtools.com/en/audio/convert): Free online audio converter: convert between MP3, WAV, M4A, AAC, FLAC, OGG and OPUS with selectable bitrate. Powered by FFmpeg, processed locally, no upload.
- [Trim Audio](https://qilingtools.com/en/audio/trim): Free online audio trimmer: set start and end times to cut a clip from MP3, WAV, M4A and more. Make ringtones. Processed locally, no upload.
- [Merge Audio](https://qilingtools.com/en/audio/merge): Free online audio merger: join MP3, WAV and other audio files in order into one file, mixed formats supported. Processed locally, no upload.
- [Volume / Speed](https://qilingtools.com/en/audio/volume): Free online audio volume booster: amplify or reduce volume and change playback speed (0.5x to 3x without pitch change). Processed locally, no upload.
- [Audio Fade In/Out](https://qilingtools.com/en/audio/fade): Free online audio fade tool: add a fade-in at the start and a fade-out at the end of MP3, WAV and more, with any length. Batch supported, runs locally.
- [Normalize Audio](https://qilingtools.com/en/audio/normalize): Free online loudness normalizer: bring a batch of files to the same perceived loudness with EBU R128 / LUFS, or even out uneven speech with compression.
- [Split Audio](https://qilingtools.com/en/audio/split): Free online audio splitter: cut long recordings, album rips and audiobooks into parts by count, fixed length or specific time points, downloaded as a zip.
- [Mix Audio](https://qilingtools.com/en/audio/mix): Free online audio mixer: play voice, a backing track and background music together, with adjustable levels and a built-in limiter. Processed locally.