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SoundTool
43 free audio tools & 8 virtual instruments in 14 languages
SoundTool — free, browser-based audio toolkit. 43 tools: trim/merge/convert, EQ, reverb, BPM detector, vocal isolator, TTS, and 8 playable virtual instruments (piano, violin, guitar, sax, kalimba...). Every instrument records and exports WAV — no account, no upload, 100% client-side. 14 languages. Built by a solo developer on the Web Audio API. Zero data collection: your audio never leaves the browser.
Hey Product Hunt! 👋
I'm a solo developer from China, and I've built a free
audio toolkit: 43 tools and 8 playable virtual instruments,
all running 100% in your browser.
Why? Because most audio tools are paywalled, require
uploads to servers, or are English-only. SoundTool is none
of that:
• Every instrument actually records — hit ⏺, play, export WAV
• Audio never leaves your device (Web Audio API, zero upload)
• 14 languages, from English to Hindi
• No accounts, no paywalls
Try the violin or kalimba — they're real playable
instruments with bow/vibrato, not colored buttons.
Built it solo with Web Audio API. Next up: more instruments
and a chord trainer. Happy to answer anything 👇
SoundTool was submitted on Product Hunt and earned 0 upvotes and 2 comments, placing #81 on the daily leaderboard. SoundTool — free, browser-based audio toolkit. 43 tools: trim/merge/convert, EQ, reverb, BPM detector, vocal isolator, TTS, and 8 playable virtual instruments (piano, violin, guitar, sax, kalimba...). Every instrument records and exports WAV — no account, no upload, 100% client-side. 14 languages. Built by a solo developer on the Web Audio API. Zero data collection: your audio never leaves the browser.
SoundTool was featured in Productivity (659.5k followers), Music (53.6k followers) and Developer Tools (518.5k followers) on Product Hunt. Together, these topics include over 248.8k products, making this a competitive space to launch in.
Who hunted SoundTool?
SoundTool was hunted by yang changjiang. 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.
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yang changjiang