A fully browser-based guitar effects pedalboard and 4-track loop station — powered by the Web Audio API. No downloads. No installs. Just open and play.
Every effect runs in real time through the Web Audio API — the same technology powering professional audio tools.
Dial in grit from light overdrive to full saturation. The waveshaper algorithm gives you warm, tube-like compression without any hardware.
Adds space and depth to your signal. From a tight room to a massive hall — control the wet mix with a single slider.
Adjustable time and feedback. Layer echoes that trail off naturally or build into hypnotic cascading repeats.
Clean volume at the output stage. Boost for leads or pull back for rhythm without changing your tone character.
A high-pass filter to sculpt brightness. Roll off highs for warm jazz or open up the top end for sparkly cleans.
Record and play back up to four independent loops simultaneously. Build full arrangements in real time — no band required.
In-depth articles on browser guitar effects, loopers, and how Guitar FX stacks up against other tools.
From bedroom practice to live performance warm-ups, Guitar FX fits wherever you play.
Real amp-like tones from any laptop or phone. No amp, no cables, no complaints from the neighbours.
Build full arrangements in real time with the 4-track looper. Sound like a full band all by yourself.
Demonstrate effects to students instantly in a browser tab. No hardware to carry, no setup time.
Sketch riff ideas with effects applied. Export dry or wet audio straight into your DAW.
Works on any modern smartphone browser. Plug in a mic or use built-in and you're ready anywhere.
Zero cost, zero subscription. Every feature is free — forever.
No download, no account, no nonsense. Just a browser tab and your guitar.