Gwirydd Sillafu Cymraeg v1.3Gwirio sillafu a gramadeg gydag adnodd Cysill Prifysgol Bangor. Welsh-language spelling and grammar checker.Rating★ 5.0Active installations139.4K+ activeTested up toWP 5.6.23Requires PHPPHP 5.6UpdatedUpdated Feb 26, 2021Downloads5.4K+ downloads