Free Demo Software

No time limit on demo use. All features work except for project file saving, filter export, IIR reference editor & DTP.

Software requires macOS 10.12 & above, or Windows 7 & above.

FIR Designer M

Demo for Windows (64 bit only)
Demo for macOS

FIR Designer

Demo for Windows
Demo for macOS


Demo for Windows (64 bit only)
Demo for macOS

Get demo download instructions & help on our FAQ page.

Software use is bound by the terms of our End User License Agreements (EULAs). Access product-specific EULAs from the buy page.

Not sure which FIR software to choose? See our Filter Software Comparison Table.