Free, private client-side audio and video workstation tools. Extract 320kbps MP3 from MP4, reverse audio, trim waveforms, boost volume up to +24dB, and enhance spatial acoustics with zero server uploads.
Transform regular tracks into immersive binaural 3D surround sound with real-time radar visualizer.
Elevate songs with Dolby Atmos-style 3D soundstage width, sub-bass punch, and dynamic mastering.
Apply studio-grade acoustic convolution reverb, vocal booth space, and hall depth.
Play music backwards with speed adjustment, ping-pong looping, and reverse swell effects.
Create high-resolution visual frequency graphics and exported audio artwork in PNG or SVG.
Fast bidirectional audio conversion with lossless precision and custom bitrate selection.
Zoom into visual audio waveforms and crop songs or ringtones with zero quality degradation.
Amplify deep bass punch and sculpt frequency spectrums with studio equalizer presets.
Analyze transient audio rhythm peaks automatically or tap along to find the exact beats per minute.
Shift musical keys from -12 to +12 semitones without altering speed, or change playback tempo.
Isolate crystal-clear audio tracks from MP4, WebM, and MKV video clips in studio 320 kbps quality.
Separate lead vocals from songs using phase cancellation DSP while retaining bass and drums.
Apply up to +24dB volume gain and normalize quiet recordings against commercial audio clipping.
No. Super ToolKit processes your files 100% locally in your web browser using WebAssembly and client-side memory. Your data never leaves your device or gets transmitted to external cloud servers.
Yes! Super ToolKit provides unlimited free conversions with zero subscriptions, no ads, no watermarks, and no sign-up required.
Yes. Super ToolKit is an installable Progressive Web App (PWA) optimized for smartphones, tablets, and desktop computers. Once cached, it processes tasks completely offline without an internet connection.
