--- title: "Waveform Image Generator: Turn a sound file into a…" canonical: "https://openvibe.tools/tool/waveform" updated: null --- # Waveform Image Generator: Turn a sound file into a… HTML: [Waveform Image Generator: Turn a sound file into a…](https://openvibe.tools/tool/waveform) # Waveform Image Generator Generate a PNG of the waveform of any recording, in your colours and size. Used for podcast covers, video overlays and audiograms. - **Limits** 100 MB per file · 1 file at a time · Up to 3 hours · Up to 600 runs a day - **Where it runs** Your file goes to our server and is deleted with the result after 1 hour, or after 24 hours when signed in. - **Cost** Free, with the limits above. No account needed. [Open Waveform Image Generator](https://waveform.openvibe.tools/) ## Where to find it Every address below opens the same tool. The first address is the one to bookmark and share. - [waveform.openvibe.tools](https://waveform.openvibe.tools/)Primary ## People also call this **What it's for:** Turn a sound file into a waveform picture. - waveform generator - audio waveform image - sound wave picture - waveform png ## Use it from code - `POST https://openvibe.tools/api/v1/tools/waveform/run` - Needs a signed-in browser session or a token with `tools.tool.run`. - Long work answers 202 with a job to follow; short work answers with the result. Takes 1 file, up to 100 MB each. ~~~~ curl -X POST https://openvibe.tools/api/v1/tools/waveform/run \ -H 'Authorization: Bearer $OPENVIBE_TOKEN' \ -F 'file=@song.mp3' ~~~~ Inputs: [JSON Schema](/api/v1/tools/waveform/schema) · [OpenAPI](/api/v1/openapi.json) · from JavaScript: `tools.run("waveform", …)` in [openvibe-sdk](https://github.com/OpenVibers/OpenVibe.SDK) · [How the API works](/developers) ## Similar tools [All Audio Tools](/audio-tools) [ **MP3 Converter** Convert any audio or video file to MP3 *mp3.openvibe.tools*](https://mp3.openvibe.tools/) [ **WAV Converter** Convert audio to uncompressed WAV *wav.openvibe.tools*](https://wav.openvibe.tools/) [ **FLAC Converter** Convert audio to lossless FLAC *flac.openvibe.tools*](https://flac.openvibe.tools/) [ **OGG Converter** Convert audio to OGG Vorbis *ogg.openvibe.tools*](https://ogg.openvibe.tools/) [ **M4A Converter** Convert audio to M4A for Apple devices *m4a.openvibe.tools*](https://m4a.openvibe.tools/) [ **Opus Converter** Convert audio to Opus for small, clear files *opus.openvibe.tools*](https://opus.openvibe.tools/) ## The rest of OpenVibe 5 links One account works on every site. Open source and community-run. [**OpenVibe.Live** Live streams, clips and chat](https://openvibe.live/) [**OpenVibe.Community** Pastes, posts and people](https://openvibe.community/) [**OpenVibe.Games** Browser games](https://openvibe.games/) [**OpenVibe.Media** VODs, clips and files](https://openvibe.media/) [**OpenVibe.Network** One account for every site](https://openvibe.network/)