Lite version of https://play.google.com/store/apps/details?id=com.smlnskgmail.jaman.hashchecker
Fast and simple application for generating and comparing MD5, SHA-1, SHA-224, SHA-256, SHA-384, SHA-512 and CRC-32 hashes from files or text.
User guide: https://www.how2shout.com/how-to/how-to-calculate-the-hash-of-a-file-or-create-custom-hash-on-android.html
Video: https://www.youtube.com/watch?v=Q7Otn971kJk&list=PLOIwDRWd_SDdBz2aiVtMocFunaXaKSPMx&index=2&t=0s
The app is a fully open source. You can download the full project from GitHub: https://github.com/hash-checker/hash-checker-lite