A program to do real time or deferred spectral analysis / waterfall display, in addition to real time audio filtering (band pass, denoising, band reject and CW peaking) of audio signals.
Publisher’s description
What is Spectran?
Spectran is a free program for Windows from Alberto, I2PHD and Vittorio, IK2CZL.
Installation and requirements
Official installers exist for 32-bit as Portable. The main installer is 5 KB. It runs without installation (portable).
Pros / Cons
Pros
- Free to use
- Portable: runs without installation
- Small download (5 KB)
Cons
- No native ARM64 build
- 32-bit only
- No update for more than a year
- The official download link did not answer at the last check
In short: Spectran is a free Windows tool for 32-bit PCs. Updates have slowed down.
Is Spectran safe to download?
- The file is served by sdradio.eu, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
A369663046D652876297A0C8B4C04F4D16252B2E7A349244DB490B2BBEE930DE· Open the VirusTotal report for this hash - The link did not answer when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 2.216Latest | April 6, 2005 | 5 KB | 32-bit ZIP |
Install from the command line
Silent install ›winget install --id I2PHD-and-IK2CZL.Spectran -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- Alberto, I2PHD and Vittorio, IK2CZL
- Licence
- Proprietary (Freeware for private use)
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- Portable
- Version
- 2.216
- Released
- April 6, 2005
- Added to the catalogue
- February 13, 2026
- Versions listed
- 1
- Website
- sdradio.eu
- winget ID
- I2PHD-and-IK2CZL.Spectran
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is Spectran free?
Yes. Spectran is free to use.
Is Spectran safe to download?
The download comes from sdradio.eu, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Spectran with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does Spectran run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
Can I use Spectran without administrator rights?
Yes, it is portable: unpack and run it.