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Plug-in Chainer / Rack by Xlutop
Chainer by Xlutop is an Audio Plugin Host for Windows. It can host VST Plugins.
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Chainer is a multi-effect and multi-instrument rack for musicians and sound designers. It's a VST host that runs as a standalone application, VST effect and VST instrument.


  • VST(i) and ASIO host.
  • Standalone application and VST(i) plug-in.
  • Turns your PC into:
    • Realtime multi-effect device.
    • Multi-timbral sound generator.
  • Streams the ASIO/VST input signal through up to 10 chains of VST effects.
  • Several VST instruments playable simultaneously.
  • VST instruments playable on different MIDI channels.
  • 100 slots for VST(i) plug-ins per instance of Chainer.
  • Chainer and VST plug-in parameters controllable through MIDI control change messages and VST automation.
  • Creates 16/24/32-bit multi-samples from your VST instruments (WAV, SF2).

Latest User Reviews

Average user rating of 4.80 from 10 reviews

Reviewed By Modeler
September 9th, 2007

Chainer is a low-cost VST / VSTi host that functions as both a stand-alone application and as a plug-in itself. It can effectively make any combination of your synths and / or effects stand-alone, free from the complexity and CPU drain of Cubase et al. These 'chains' can also be accessed through your favourite host by using Chainer as a plug-in. I bought it for live use but have found myself constantly using it on my main DAW.

It can even host multiple instances of itself; what's the point of that then? Well, suppose you find a combination of synths and effects that sound awesome together (with strategic mixing and panning) and you want save the 'chain' as a single preset. You can do this very easily and recall the preset in a couple of clicks, run it alongside an existing chain or on a different channel, load / save the same configuration under Cubase or FL Studio and so on. If like me you occasionally take a semi-modular approach to your plug-ins (like layering several instances of Synth1 for example) these features come in very handy.

It functions very well as a lightweight host, but its strength is really in the ease of editing and routing / automation possibilities it presents. Mapping the controls from my MIDI keyboard to a plug-in is a breeze using the parameter list editor, when I'm done I can just save the configuration as a preset. One thing I have to mention is how the parameter list focuses on whichever control is being adjusted in the plug-in's main GUI. Then it is just a case of using Chainer's own MIDI learn to map the controller knob to the parameter.

This is a must for all live musicians and sound designers, as well as people who are just extremely lazy. Chainer gives you the maximum of control with the minimum of fannying around. I love it!

User Interface
The GUI is extremely intuitive and usable. Everything feels like it's in the right place, and the 'slot-based' concept for plug-ins works really well. You can drag and drop plug-ins between slots, bypass single instances or entire channels. I would have deducted a point for the rather garish colour scheme, but there is now an alternative skin available now :-)

This is a difficult area to score for a host. Although it doesn't make any sounds itself, it allowed me to create combinations of sounds and effects that I couldn't (or simply wouldn't take the time to) in another host.

Chainer is a lightweight and minimal host, but it does far more than you might expect. The preset lab is great and a sound designer's dream. I also found it really useful for editing two or more plug-ins alongside one another; none of the random window behaviour I have observed with other hosts here. A few more hot keys (such as copying, pasting and renaming presets) and a Mac version would have been nice.

The on-line help is there if you need it, but the learning curve is not exactly steep. Five minutes worth of experimenting with it should be sufficient.

Again very difficult to know how to score this, let's assume we are talking about the way the program handles presets. You can load and save presets or banks per plug-in, as well as the entire rack. For instance, I have found it a lot easier to make banks under Chainer than with FL Studio.

Customer Support
Support is provided by direct E-mail, which is a good thing I reckon. I had a couple of questions which were answered within a few hours, really nice guy too.

Value For Money
You get a lot for your $60, although at first glance it may not appear so. Chainer looks like Minihost with bells on, it does a lot more than just host plug-ins.

At the time of writing, the program hasn't seen an update since 2002. What does that tell you? It's a mature product that just works, that's what.

Clever, convenient, cheap and mind-blowingly useful. I defy anyone not think this is the best $60 they have ever spent on software for their DAW.
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Reviewed By MfLI
December 12th, 2003

Quoting the below previews: "Chainer is VIAGRA for VST ..nothing less" -110% true:D

Some additions to them:
Could hardly be more intuitive.

For some reason it seems to boost the quality of the instruments used... How in the *ell is this done!?!?

"aMUSEd" writes about the linear chain as an bit of a disadvantage. Well, could be, but let´s be honest here... I had to ask myself: How many times did I wrap multiple synths and fx in a chain without actually creating a hopeless cacophony... I´ve come to see that (mostly) complex modularity is really secondary to sound/fx quality of more simple VSTs. In cases of creating soundscapes I personally prefer to split my project into a few tracks.

The biggest advantage by this plug is that you get to manage your instrument/fx combinations already at MIDI stage with every possible parameter CC automted!

This is the only part I found a little lacking. However, the intuitve use compensates hands down. Still 10/10 because this puppy is allover worth 10/10 in any case.

The ease of saving your own VST presets/banks and managing the already included presets of included VSTs through one interface is just... Phenomenally cool!

No experience except an rapid response to a personal thank you and appraisal mailing:D Anyway... 10/10 because this puppy is worth it allower in any case.

10/10 with "all universal superlatives". Buy it - I guarantee you won´t regret the investment!

Rock solid.

Stay cool n tuned!
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Reviewed By Magpel
February 9th, 2003

Chainer is simple perfection. It's satbility, ease, and efficiency has simply convinced me that VSTis are a reliable, professional part of my aresenal. I was not convinced of this before.

I have a dedicated softsynth computer that I treat essentially as a multi-synth "tone module," midi'd up to my main DAW. I tried numerous hosts with varying degrees of success and stability. Most of them were way over-featured for my needs and were not CPU efficient. Chainer is just ideal for me. Rock solid, transparent, and I seem to get:

a) significantly more instances of synths and effects out of my CPU than with my last main host.

b) less crackling, clicking, and crashing than I've experienced with other hosts.

It's odd that a non-sound-making application would be the most inspiring purchase I've made in some time, but it is absolutely the case. I feel like I'm breathing freely and moving confidently in the VSYi world for the first time.

PS, I commend the developer on his enlightened demo. The only lacking functionality is loading saved presets, but you can save them anyway, and the demo will open with your last configuration, so you can actually get to work on the demo and not sacrifice any moments of inspiration. Because of this, I was very quick to purchase Chainer after only one evening with the Demo. So "lightly restricted" demos can pay off in good customer relations. Good job.
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Reviewed By dkistner
January 26th, 2003

Chainer is going to single-handedly keep me from losing my mind. It was just what I was looking for. Making music up until now has been just way too hard.

I'm using Chainer to play VSTis from Harmony Assistant (scoring program) so I can hear what I'm doing in the instruments I intend to use. I'm happy to report the waves record out flawlessly from Chainer through Sonic Foundry's Virtual Midi Router. I can do precisely what I want to do: Get dry audio waves out of HA without having to export to midi, revise the midi files to fix what didn't export perfectly, jump through hoops to try to sync everything, have all these files littering up my system, and yadayadayada. Of course, if I want to, Chainer will allow me to add effects as well at this stage.

The only thing is I have to close Chainer before Cool Edit will recognize the wave file; probably an ASIO conflict thing. Also, and this is specific to HA, I cannot mix digital and midi-out instruments and play them in real time; I have to shape and render out HA's Goldbase instruments first, then relate all the instruments to the midi out for Chainer to render the non-HA instruments. This is no biggie compared to what I was having to do before.

I've crashed Chainer once when I was just loading everything but the kitchen sink and changing a ton of settings while playing it. I haven't yet figured out how to get the panning controllers from HA to be read by Chainer, and it's only routing out to the left channel of one of my Mia virtual outs; not sure but this may be a limitation of the demo. I certainly plan to buy this excellent program. CPU usage is barebones minimal, and all my VSTis load VERY quickly...even SampleTank! Chainer is an awesome piece of work!

An addendum: When you load a VSTi into a slot, you need to set the proper transmission value (from the pulldown arrow to the left of the VSTi name). It defaults to Channel 1, which could lead to your thinking it doesn't work right.
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Reviewed By ew
January 26th, 2003

Chainer may be the best $60 you'll spend on VST stuff,period.It's a patch bay for all your VSTis and VST effects(and combined with VB's ffx4,DX effects,too).
It will let you mangle different combinations of synths and effects to your heart's content;add a little hardware(there's audio ins,too),and export it all as a .wav file,or as .wav or SF2 multisamples.Load THAT into Crystal,VirtualSampler,NN-19,Kontakt,CronoX-you get the picture.Add to all this that it doesn't use hardly any resources(less than 1.5% on my old 933 MHz PIII) and the fact that it DOESN'T crash-if Chainer crashes,it's either a bad plug or something's wrong with your system-and you have the perfect solution for a lot of routing,sampling,etc.problems.Try the demo if you haven't,and then BUY it...these kind of apps need all the support we can give them!
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Comments & Discussion for Xlutop Chainer

Discussion: Active
17 May 2018 at 2:52am

I know this is really old school, but Chainer is still my 'goto" vsti host.
It's simple, and it works, but only for VST 2 plugins.
Does anyone know if it will work in Windows 10?
I'm about to get a new computer, and really would like to know.
Plus, if there's another Chainer-like vsti host that looks similar, and absolutely does work in Windows 10 please let me know :)

Thanks, .


5 October 2022 at 10:38am

It certainly does work in Windows 10.
Sadly no VST3 support or 64-bit version though.

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