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Chromas 2.6

A simple and free trace viewer for DNA sequences

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Chromas screenshotChromas is a lightweight and free application designed for assisting you with your DNA sequencing projects, in which assembly of several sequences is not required. The program packs a set of powerful features which will help you improve your workflow and increase your productivity. By using this tool you will be able to open files created by a wide variety of DNA sequencers, such as ZTR files, SCF files, .ab1 chromatogram files, and many others.

Chromas allows you to export DNA sequences and save them in various formats, such as plain text, FASTQ, GenBank, FASTA, EMBL, or GCG. You can also print a chromatogram having options for zooming or to fit on page. the program allows you to process several files at once and to export RAW data in batches. Batch printing is supported as well.


  • Supports a wide variety of file formats from other DNA sequencers.
  • Allows you to export and save sequences in various formats.


  • The application is not aimed at average users.
  • Some Biology and Genetics knowledge is required.
Name Chromas
Version 2.6
Developer | see all products from this developer
Product Homepage Chromas
License Free (Freeware)
Last Week Downloads 31
All Time Downloads 726
Filename Chromas260Setup.exe
Filesize 4.0MB
MD5 Checksum 5A81236F56DFE09CC84F0564DC60E4B3
OS Support Windows All
Category Design & Photo

100% CLEAN Certification

BadgeChromas has been tested by team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean.


Old Versions

Software Date Added
Chromas July 06, 2016 - Latest Version

Download the free Chromas