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MUSICTOOL
Free browser music tools that run entirely on your CPU
Most online music tools make you upload your files to a server, wait in a queue, or pay before you can use them. MusicTool takes the opposite approach: every audio task runs locally in your browser using WASM, so your files never leave your machine and results are instant.
Hi everyone, I'm the maker behind MusicTool.
I built this because I got tired of jumping between five different websites just to check the BPM of a track, find its key, change the pitch, and trim a clip. Each site had a different login, a different upload limit, and a different paywall.
So I made one place where all those small music tasks live. The key difference: everything runs locally in your browser via WASM. No file uploads, no server queue, no waiting. You drag in a track and the analysis happens instantly on your own CPU.
The core tools — BPM & key finder, tap tempo, chord progression, speed/pitch, trim, MIDI editor — are free and don't require an account. There's also an AI lyrics studio with six models and a royalty calculator if you need them.
I'd love to hear what tools you wish existed in one place, or what your workflow looks like when you're working on a track. Happy to answer any questions.
About MUSICTOOL on Product Hunt
“Free browser music tools that run entirely on your CPU”
MUSICTOOL was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #69 on the daily leaderboard. Most online music tools make you upload your files to a server, wait in a queue, or pay before you can use them. MusicTool takes the opposite approach: every audio task runs locally in your browser using WASM, so your files never leave your machine and results are instant.
On the analytics side, MUSICTOOL competes within Music, Artificial Intelligence and Maker Tools — topics that collectively have 535.6k followers on Product Hunt. The dashboard above tracks how MUSICTOOL performed against the three products that launched closest to it on the same day.
Who hunted MUSICTOOL?
MUSICTOOL was hunted by HJY. 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 MUSICTOOL including community comment highlights and product details, visit the product overview.
HJY