Equalizer (EQ) VST Plugin - Free Download

EQ plugin with an excellent sound

The free PTEq-X EQ plugin from Ignite Amps emulates old analog equipment like the Pultec equalizer from the 1950's, and it can truly add a lot of clarity, subtle saturation and harmonics to your tracks. It's not intended as a surgical EQ rather it's a musical creative equalizer that will instantly enhance any sound. All in all the PTEq-X VST is a super cool plugin to lift your vocals or add warmth to your bass or drums. It is available for both MacOS and Windows in 32 and 64-bit.
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12-band Equalizer with Analyzer

QRange from lkjb is a 12-band equalizer with a completely transparent linear-phase EQ. Because the overall EQ curve is displayed along with a real-time spectrum analyzer, it's very easy to find the frequencies that needs to be adjusted. The user interface is really well-designed: It can be freely re-sized to your liking and with a click of a button you can sort all the EQ bands. Each band features peak, low and high shelf, or low and high cut filter with adjustable Q. The plugin also features a bypass switch for easy A/B comparison.
QRange is truly one of the best free EQ VST's for mastering available out there. Available for both MacOS and Windows in 32 and 64-bit.
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EQ plugin with an excellent sound

The NyquistEq VST plug-in from Magnus Jonsson is a 5-band parametric graphic (paragraphic) equalizer with a warm and clear sound. It handles both the low frequencies and the very high frequencies extremely well -without clipping. Windows 32-bits only.

Analog and Digital EQ

The freeware Electri-Q (posihfopit edition) VST plugin by AiXcoustic Creations features up to 64 bands, all the basic filter types (peak, high shelf, low shelf, high pass, low pass, band pass, and Notch), and 30+ special filters. The equalizer plug-in offers two different algorithms: The warm and smooth sounding Analog algorithm modeled on a transistor based circuit, and the more neutral sounding Digital algorithm without any coloration of the sound. The Electri-Q VST can be used both on individual sounds as well as a mastering equalizer on a final mix. Windows 32-bits only.

Warm analog equalizer

The Classic EQ by Kjaerhus Audio is a 7 Band Stereo Equalizer with a warm and pleasant analog sound. The plugin features separate left and right channel adjustment, Stereo Link, Warming and Saturation modes, and input and output gain controls. The Classic EQ VST is well suited to make non-surgical tonal corrections on all instruments, vocals and final mixes. Windows 32-bits only.