10 Best Free Guitar Pedal VST Plugins

Valhalla Super Massive is a free reverb and delay plugin built for creating huge, evolving space effects. It offers 22 modes that range from smooth echoes to long, rich reverbs. Each mode shapes sound in a unique way, making it great for pads, vocals, and guitars.

With simple controls for mix, width, feedback, and tone shaping, you can quickly build anything from gentle ambience to deep, swirling textures. Valhalla Super Massive helps producers explore wide, atmospheric soundscapes without complexity or cost.

Dr Phase offers a rich analog-style phasing effect based on the classic MXR Phase 90 pedal from the 1970s. It brings smooth, swirling motion to guitars, bass, synths, and drums with adjustable speed, mix, and gain controls for shaping tone and depth.

This plugin includes a Vintage and 2-Stage (P45) mode, host tempo sync, and a built-in noise gate for a cleaner signal. Its visual meters and resizable interface make it easy to monitor and adjust your sound while adding vintage character to modern tracks.

Chow Centaur offers a digital recreation of the classic Klon Centaur guitar pedal, giving players access to both traditional and AI-driven modeling. The plugin includes two modes: “Traditional” for authentic circuit-based tone and “Neural” for a machine-learned recreation of the original pedal’s gain stage.

With simple controls for gain, tone, and level, Chow Centaur makes it easy to shape everything from subtle boosts to rich overdrive. Visual tools like the wave display and switches for mono or bypass add quick flexibility for guitar tones on Windows, Mac, and Linux systems.

Proteus offers a simple way to capture and shape your guitar or bass tones using real amp or pedal settings. You can create knob captures that store the full range of Drive, Gain, or EQ controls, or make snapshot models for quick tone recalls during sessions.

It includes a 3-band EQ, default impulse response, and access to a growing ToneLibrary filled with ready-made sounds. Available on Windows, Mac, and Linux, Proteus makes tone capturing, testing, and experimenting fast and reliable for modern music production.

Black Distortion offers the gritty, dynamic sound of the classic RAT2 pedal in a flexible plugin form. It lets you dial in everything from soft overdrive to aggressive fuzz, helping shape tones suited for rock, punk, blues, or jazz. Each control is simple, making tone shaping quick and effective.

Use Black Distortion to push your amp plugin harder or as a boost for solos that need extra bite. The Drive, Filter, and Level knobs give you precise control, while A/B comparison features make finding your perfect tone fast and reliable. Ideal for guitar, bass, or synth tracks.

Mercuriall MT-A is a free plugin that recreates the famous Boss MT-2 distortion pedal for digital music setups. It delivers heavy, metal-style tones using Mercuriall’s Neural Hybrid Engine for accurate and dynamic sound. The plugin works on Windows and Mac in VST, AU, and AAX formats.

Mercuriall MT-A offers full tone control with adjustable High, Low, Middle, and Mid Freq knobs, plus Dist and Level settings for shaping your guitar sound. Stereo mode, Input Gain, and a Quality switch let you refine your tone and detail for both rhythm and lead parts.

Amped Roots Free offers a high-quality amp simulation built for guitarists who want a quick and powerful tone without extra setup. It includes the “5034 Fluff” amp, modeled after a modern metal sound that delivers tight, heavy tones right out of the box.

This plugin comes with a pedalboard featuring key effects like noise gate, drive, and reverb to shape your sound easily. With its built-in cabinet options and realistic amp response, Amped Roots Free gives players an authentic amp feel, ready for recording or practice.

Unified Preamplifier offers a powerful way to shape your guitar tone with clarity and punch. Inspired by the classic unit favored by 8-string guitar pioneers, it enhances mid-gain amps or brings extra drive and focus to high-gain setups without coloring your sound.

It can work as a clean booster or tone shaper, keeping your tone transparent while adding weight and presence. With simple EQ controls for bass and treble, this AU, AAX, and VST3 plugin recreates a well-known pedal sound trusted by guitarists for its strong, balanced tone.

Fuzzy offers a flexible fuzz distortion effect for guitars and other sounds. It delivers tones ranging from light overdrive to intense, gritty chaos. With controls for input, output, tone, and boost, you can shape the strength and texture of your distortion with ease.

It includes two fuzz styles, an 8-band graphic equalizer with auto gain control, and a noise gate for tighter sound. Fuzzy gives producers room to explore from smooth warmth to raw aggression, making it a solid choice for creative sound shaping in any mix.

Live Pedalboard offers a full set of guitar effects in one easy setup. It includes distortion, overdrive, fuzz, delay, chorus, tremolo, and reverb, with six slots for building custom sound chains. You can even stack up to three effects of the same type.

It includes three user banks with ten presets each that save directly to your hard drive. Players can switch sounds quickly with footswitches and explore tones for live sessions or recording. It runs on Windows and macOS in VST and AU formats.

Mercuriall TSC offers a faithful recreation of the classic Ibanez TS-808 overdrive pedal in plugin form. It delivers a smooth, dynamic tone that can add warmth, clarity, or bite to guitars. The plugin includes Drive, Tone, Level, and Input Gain controls for shaping sound balance and grit.

It features a switch for “808” or “Mod” modes, giving users a choice between the classic tone or a cleaner sound with extra low end. Stereo and mono options, plus two quality settings, make it suitable for different setups and recording needs on both Windows and Mac.

Greed Smasher is a free overdrive plugin by Mercuriall, modeled after the Mesa/Boogie Grid Slammer pedal. It recreates the punchy, mid-driven tone of the classic hardware, making it great for tightening up guitar tracks or adding grit to amp simulations in both rock and metal setups.

Greed Smasher offers simple tone-shaping controls for gain, tone, and level, along with stereo and mono modes. You can switch between low and high-quality oversampling to fit your project needs, letting you shape a clear, warm, and focused sound without added complexity.

Mercuriall WS-1 offers a realistic chorus effect modeled after classic stompbox tones. It provides stereo and mono modes, along with simple controls for Depth, Speed, and Mix. The plugin works with AU, VST, and AAX formats on both Mac and Windows systems.

Music creators can shape their sound from subtle texture to wide, moving tones using the WS-1’s modulation controls. Its stereo switch processes each channel separately, adding dimension to guitars, synths, or vocals. The plugin is a free and flexible way to enhance tracks with chorus warmth.

Guitar Gadgets offers a collection of creative effects that turn ordinary sounds into something unusual and exciting. Inspired by classic guitar pedals, it includes tools like delay, reverb, phaser, and distortion with a playful twist. Each effect gives a unique tone that sparks new sound ideas.

This free plugin works with guitars, synths, drums, and more. Its range of effects—like the “Miaou Miaou” pedal, “Little Leslie,” and “Niagara Falls”—encourages bold sound design. Guitar Gadgets is a fun way to experiment and bring fresh textures into your music projects.