This small R Shiny application converts between common effect size measures. It uses the es() function in the hausekeep R package to convert between different effect sizes.
Lin, H. (2019). hauselin/rshinyapp_effectsizeconverter: shiny effect size converter (Version v0.0.2). Zenodo. https://doi.org/10.5281/zenodo.2563830.
This Shiny App is now hosted using DigitalOcean and will eventually be removed from the original shinyapps.io site. If you're loooking for R code for the effect size converter Shiny App, it's in the archive directory of this repository.