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Image + Audio → Video
Create an MP4 from a single image and an audio track (max 5 minutes). 100% client-side.
Loading FFmpeg core...
Media Duration Analyzer
Confirm source duration before creating the MP4
Media Bitrate Checker
Inspect streams if output file size looks wrong
Audio Trim
Trim the audio source first, then wrap into video
No upload. Everything runs locally in your browser.
This tool uses ffmpeg.wasm. Package licenses in this project include @ffmpeg/ffmpeg (MIT) and @ffmpeg/core (GPL-2.0-or-later).
Image + Audio to Video: Guide
- Intent
- Create a video from an image and audio online: turn cover art + an audio file into an MP4 you can share in video-first apps (local processing, no upload).
- What it does
- Uses FFmpeg in your browser to combine one image and one audio track into an MP4 (H.264 + AAC).
- Key features
- MP4 output, Audio < 5 minutes, In-browser FFmpeg processing
- Privacy
- Your media stays on your device. This page downloads the FFmpeg WebAssembly engine; files are never uploaded.
- Best for
- Podcasters making a quick teaser video from cover art + a short clip
- Sharing voice memos or music previews where MP4 is required
- Anyone searching 'add audio to image video' or 'image audio to video'
- Why this tool
- Local-first FFmpeg processing: your files are not uploaded
- Faster than opening a full video editor for a one-off MP4
- Simple defaults and a predictable MP4 output
How to use
- 1Choose an image file (cover art, screenshot, or any still).
- 2Choose an audio file (must be under 5 minutes).
- 3Click Create video and wait for processing to finish.
- 4Download the MP4 and share it anywhere.
Common mistakes
- Audio longer than 5 minutes (this tool enforces a 5-minute limit).
- Using Safari/iOS browsers that lack SharedArrayBuffer support (FFmpeg may fail to load).
- Processing very large files on low-memory devices (can crash the tab).
Examples
Podcast teaser MP4
Image: cover.png
Audio: teaser.mp3 (0:45)
Output: output.mp4 (still image + audio)
Share a voice memo with a title card
Image: title.jpg
Audio: memo.m4a (2:30)
Output: MP4 for Slack/IG/etc.