Upcoming Ensembl Platform Transition

This is the final release of its kind on this website.

In summer 2026, this site will bring you to the new Ensembl platform currently at beta.ensembl.org.
Please bookmark this archive to retain access to the current site, tools and functionality until they are available on the new platform -> jun2026.archive.ensembl.org

Ensembl Variation - Variant tools

Ensembl provides several tools related to variant data:

Ensembl Variant Effect Predictor (Ensembl VEP)

Determines the effect of your variants on genes, transcripts, and protein sequence, as well as regulatory regions.

Availability:

Linkage Disequilibrium Calculator

Calculate Linkage Disequilibrium (LD) between variants using genotypes from a selected population.

Availability:

Variant Recoder

Translate a variant identifier or HGVS notation to all possible variant IDs and HGVS

Availability:

Haplosaurus

Computes observed transcript haplotype sequences based on phased genotype data

Availability:

Variant Simulator

Generate all single base substitutions for protein coding genes given a specific species or chromosome or gene.

Availability:
Available as a web tool
Available as a REST API
Available as a Perl standalone script