Explore powerful, privacy-focused audio tools you can run right in your browser — no downloads, no tracking. From recording to trimming, we've got you covered.
Record microphone audio in your browser and download as WAV/MP3.
Drop and play local audio files instantly in your browser.
Coming SoonTrim the start and end of an uploaded audio clip — simple, fast editing.
Coming SoonSelect loop regions and repeat for practice or mixing.
Coming SoonGenerate tones of any frequency — perfect for tuning and testing.
Coming SoonType text and play it back using built-in browser voices.
Coming SoonExplore our growing collection of lightweight, browser-based audio utilities. No installs. No privacy compromises. Just powerful tools that run fully client-side.
From recording and trimming to playback and tone generation — we’re building an open audio toolkit for developers, creators, learners, and everyone in between.
Your audio never leaves your browser. Everything runs locally and nothing is sent to a server.
No signups or installs required. Tools load instantly and are ready to use on all major browsers.
Use your device’s microphone to record, test, or generate voice-based clips and files.
Upload and edit MP3/WAV files completely offline — trim, loop, analyze, and more.
All tools are fully responsive and optimized for mobile, tablet, and desktop experiences.
We’re continuously adding new tools. Got a feature request? Let us know — we build what you need.
Whether you're a developer, creator, or casual user — Playbox JS audio tools are crafted to simplify your work:
Record intros/outros, trim mistakes, and generate clips on the fly.
Practice pronunciation by recording your voice and comparing to native audio.
Create sound snippets and loops for background audio, SFX, or narration.
Test microphone input, browser audio APIs, and embed tools in apps.
Record quick voiceovers or trim background tracks before importing.
Loop riffs, generate tones for tuning, or trim samples.
We're working on audio trimmers, loopers, tone generators, and more — all privacy-first and browser-based.
Try the Audio Recorder Now →Discover a curated collection of powerful online developer tools from PlayboxJS — designed to enhance productivity, streamline your workflow, and simplify frontend and full-stack development. From color pickers and JSON formatters to regex testers and API explorers, we've got you covered.
Browse the random selection below or view all tools to find exactly what you need. Whether you're debugging, designing, or building — there's a tool for every coder.
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Have an idea for an audio tool (or any other)? We'd love to hear it! Help shape the future of Playbox JS by submitting your suggestion.