Free Phaser VST/AU Plugins: Updated 2021!

Last Updated on July 21, 2021.

In this article, I will be listing the best Freeware Phaser VSTs I was able to find and try out.

There are definitely more out there, but every single one I included on this list has something different to offer and you should be able to find one that suits your every need.

So, without further ado, let’s get started!

MPhaser

The MPhaser by MeldaProduction is a very powerful Phaser plugin that offers a wide array of features normally not seen on a freeware VST.

MPhaser provides an adjustable oscillator shape allowing great flexibility, up to 100 filters, saturation, a harmonics generator, Sine, Triangle, Rectangle and Saw shapes, which can all be adjusted using the “Custom”, “Step” and “Smooth” controls to fine-tune the effect.

It even offers some more advanced settings as well as dozens of presets to get you started with.

MPhaser is an absolutely amazing plugin and best of all, it’s part of a whole free plugin suite by MeldaProduction where you can also get an EQ, Chorus, Compressor, and much more.

Now, even though I think that it’s by far the best free phaser out there because of its sound quality and included features, it’s definitely not beginner friendly and you’ll find yourself scrolling through the presets and using those.

Listen to MPhaser here:

You can download it here.

TAL-Phaser

the TAL-Phaser by Togu Audio Line, allows you to choose between 2, 4 and 6 different phasing stages and it offers syncable LFO.

Another interesting feature is that it lets you adjust the lowest and highest frequency of the filter and I honestly found this to be quite useful since I didn’t like how it handled the higher frequencies, so I used that EQ to lower them.

Other than that, it’s a fairly straight forward phaser with no special bells and whistles.

It’s not my favorite one, in fact, the Blue Cat Phaser and the SupaPhaser are much better, but they sound quite different as well.

So, give it a try and let me know what you think.

Listen to the TAL-Phaser here:

You can download it here.

Blue Cat’s Phaser

Blue Cat’s Phaser is labeled as a vintage effect since it’s modeled after analog circuits, but after trying it for a while I think that it’s also suited for modern productions since it’s a really versatile plugin.

It allows you to choose up to 32 phasing stages as well as triangle and sine LFO shapes.

As far as the rest of the controls go, you have Gain, Depth, Rate, Spread (if you’re using the stereo version since the mono one doesn’t offer this), Dry/Wet, and Feedback.

What I love about this plugin is how easy it is to use, especially considering how versatile and powerful it can be since it can do anything from a very subtle phasing effect, to one of those that if you’re listening on headphones you get dizzy in about 3 seconds.

Lastly, it’s available for both Mac and Windows Operating systems, 32/64-bit, and comes in a variety of formats (AAX, AU, VST, and VST3).

Listen to Blue Cat’s Phaser here:

You can download it here.

SupaPhaser

SupaPhaser by Smart Elextronix is arguably the best free Phaser VST currently available, and Smart Electronix create some of the best freeware plugins and I especially love their “Ambience” reverb, which is also free.

SupaPhaser is controled by a mixture of LFO and envelope follower, both configurable, and it allows you to easily control the feedback and the number of stages (from 3 to 23) with just the twist of a knob.

Additionally, it features a saturation knob to further affect the sound, as well as a little Smiley Face that you can click to scroll through a couple different sounds as well to further tailor the effect.

Out of all the Phaser VSTs on this list, I think that SupaPhaser is the best one after MPhaser and you should definitely give it a try.

Lastly, it’s available for both Mac and Windows Operating systems, 32/64-bit.

Listen to SupaPhaser here:

You can download it here.

Phase 90

If you’re looking for simplicity, then look no further.

Phase 90 is essentially an Emulation of the famous MXR Phase 90 pedal and it works just like the pedal does.

It only features one knob to adjust the speed of the effect and that’s it! However, I generally prefer having a bit more customizability with my plugins, but if you’re a beginner or someone who needs a simple phaser that will get the job done without any hassle, then Phase 90 might be for you.

Lastly, it features an On/Off button which allows you to bypass the signal.

Listen to Phase 90 here:

You can download it here.

Hy-Phaser

Hy-Phaser by Hy-Plugins, is a very powerful phaser VST that offers plenty more features than some other Phaser plugins, even the paid ones.

In the LFO section you can choose between Sine, Triangle, Up, Down, Rectangle and Random, which already gives you a lot more options that most other free plugins, and in addition to this it offers all the General Phaser controls, such as Depth, Rate, Frequency, Width, etc.

The depth and rate can be adjusted using the knobs, but it also features a small slider underneath them to fine-tune the effect.

What I like about the HY-Phaser is that it’s super simple to use while still being extremely powerful. Sadly, I thought it came with presets but it doesn’t, which means that you’ll have to create your own.

Listen To Hy-Phaser here:

You can download it here.

Phasa

Phasa was developed by KillaPluggies and is very similar to the Phase 9 in the sense that it’s designed to be used as a Guitar pedal plugin and it only features a couple different controls, such as Frequency, Rate, Depth and Level, as well as a button to invert the signal.

Having fewer features than other VSTs means that it’s really easy to use, but it’s definitely not as versatile as the next one on this list.

Lastly, the On/Off button doesn’t work which is a shame since I needed to bypass the effect via the DAW, but it’s not that huge of a deal.

Listen to Phasa here:

You can download it here.

IO Phaser

The IO Phaser by B Serrano is definitely the most difficult phaser to use out of all the ones I listed so far, but this also comes with the benefit of being a highly customizable phaser plugin since you can insert and adjust different stages to tailor the effect to your specific needs.

After creating and adjusting the stages to get the sound you want, you can also adjust the total phasing effect time, or you can click on the different stages and adjust each of their durations individually by clicking at “Seg Time”. You can also change the feedback and control the total amount of the effect you want.

Lastly, if you find all of this too tedious, you can certainly scroll through the different presets to find one you like and then simply do some small adjustments from there.

Now, I didn’t really like how you interact with the plugin since the interface seems a bit counterintuitive in the way it works, but it’s still a really powerful phaser.

Listen to the IO Phaser here:

You can download it here.

Conclusion

If you’re an intermediate or advanced music producer, then just get the MPhaser and be done with it! It’s by far the best freeware Phaser I have ever laid hands on.

However, SupaPhaser, Hy-Phaser and the Blue Cat Phaser are all fantastic- and easier-to-use alternatives, so try those out as well!

I hope this information was useful!

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