Chromas

by Technelysium Pty Ltd

A free trace viewer for simple DNA sequencing projects which do not require assembly of multiple sequences.

Version
2.6.6
License
Freeware
Installer
inno
Arch
x64
Package ID
Technelysium.Chromas
chromatogramdnadna-sequencingsequencing

// install via winget

Command Prompt & PowerShell click to copy
winget install Technelysium.Chromas

// direct download

Download Installer

// about Chromas

Chromas is a free trace viewer for simple DNA sequencing projects which do not require assembly of multiple sequences. Chromas has the following features: - Opens .ab1 chromatogram files from Applied Biosystems DNA sequencers. - Opens SCF and ZTR format chromatogram files created by other sequencers or retrieved from databases. - Save in .scf or Applied Biosystems .ab1 format. - Print a chromatogram with options to zoom or fit to one page. - Automatic removal of low-quality sequence (when quality data is available) or vector sequences. - Export sequences in plain text, FASTA, FASTQ, EMBL, GenBank or GCG formats, or formatted with base numbering for presentation. - Copy the sequence to the clipboard in plain text, FASTA or FASTQ format for pasting into other applications. - Reverse & complement the sequence and chromatogram. - Search for subsequences by exact matching or optimal alignment. - Display translations in 3 frames along with the sequence. - Copy an image of a chromatogram section for pasting into documents or presentations. - Batch processing, including format conversion, sequence export with vector removal, batch printing and batch export of raw data. - Enhance .ab1 files using the PeakTrace RP component from Nucleics Pty Ltd to improve peak readability and extract more high-quality bases.

// frequently asked questions

How do I install Chromas using winget?
Open PowerShell or Windows Terminal and run: winget install Technelysium.Chromas. Winget ships with Windows 10 (1809+) and Windows 11 — no additional install needed.
What is Chromas?
A free trace viewer for simple DNA sequencing projects which do not require assembly of multiple sequences.
Is Chromas free to download?
Chromas is distributed under the Freeware license. Use the winget command above or click the download button to get the installer directly from the publisher.
How do I update Chromas with winget?
Run winget upgrade Technelysium.Chromas in PowerShell or Windows Terminal to update Chromas to the latest available version.
What architecture does Chromas support?
The listed installer targets the x64 architecture. See the publisher’s documentation for full compatibility details.