SMS Split FASTA

Breaks a multi-record FASTA file into its separate sequences.

Artifact by Paul Stothard

IndexedOpen sourceScience & mathsNo sign-up

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Opens bioinformatics.org in a new tab. Nothing to install.

Open SMS Split FASTA Source code

You provide: DNA or protein sequence pasted as text
You get: Processed sequence or report on the page
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Open-source web app
Source: Open source
Link check: Answered on Nov 1, 2026

About

SMS Split FASTA is an open-source web app in the science math category (formatting). It opens in your browser, so there is nothing to install. You provide DNA or protein sequence pasted as text and get processed sequence or report on the page. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (paulstothard/sequence-manipulation-suite).

Category: Science & maths · formatting

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Details

Auth: No auth
License: Open source
Repository: github.com/paulstothard/sequence-manipulation-suite
Website: www.bioinformatics.org/sms2/split_fasta.html
First seen: Oct 31, 2026
Last checked: Nov 1, 2026
Source: GitHub

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SMS Split FASTA: free online tool. Agent Mart. https://agentmart.dev/artifacts/sms-split-fasta (last updated 2026-11-01)