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WavSnap
Turn audio into audiogram videos — free, private, in-browser
Drop in a podcast clip or track. Pick a reactive waveform visualizer. Add auto-captions powered by in-browser Whisper AI. Export MP4 for Instagram, TikTok, YouTube. No signup, no watermark, no upload — your audio never leaves your device.
Every audiogram tool I tried had the same deal: upload your audio to their servers, wait for cloud processing, get a watermarked video, then pay $10-25/month to remove the watermark. For a 30-second podcast clip. That felt broken.
So I built WavSnap — an audiogram and music visualizer maker that runs entirely in your browser. Your files never touch a server. There's no account, no watermark, and no limit. The whole rendering pipeline (FFmpeg, Whisper AI transcription, FFT waveform analysis) runs client-side via WebAssembly.
What you can do:
→ Drop any audio file (MP3, WAV, FLAC, M4A, OGG)
→ Choose a reactive visualizer — bars, wave, circular, spectrum
→ Add a background image, title, branding
→ Auto-generate captions with Whisper AI — no cloud API, runs on your device
→ Pick aspect ratio — 16:9, 1:1, 9:16 for each platform
→ Export MP4, no watermark, no signup
The privacy angle matters. Podcasters put unreleased episodes through audiogram tools — that audio shouldn't sit on someone else's server. Musicians put unreleased tracks through visualizers — same problem. WavSnap keeps everything local.
Built with React, FFmpeg.wasm, Web Workers, and Whisper WASM. Feedback and feature requests very welcome.
About WavSnap on Product Hunt
“Turn audio into audiogram videos — free, private, in-browser”
WavSnap was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #74 on the daily leaderboard. Drop in a podcast clip or track. Pick a reactive waveform visualizer. Add auto-captions powered by in-browser Whisper AI. Export MP4 for Instagram, TikTok, YouTube. No signup, no watermark, no upload — your audio never leaves your device.
On the analytics side, WavSnap competes within Design Tools, Music and Video — topics that collectively have 317.3k followers on Product Hunt. The dashboard above tracks how WavSnap performed against the three products that launched closest to it on the same day.
Who hunted WavSnap?
WavSnap was hunted by Ramkumar Perumal. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of WavSnap including community comment highlights and product details, visit the product overview.
Ramkumar Perumal