Unify full-width and half-width
Full-width letters and digits to half-width, half-width katakana to full-width, extra spaces tidied, across the whole table. No upload.
Drop CSV, Excel, JSON, XML, contacts (VCF) or calendar (ICS) files here
Full-width letters and digits to half-width, half-width katakana to full-width, extra spaces tidied, across the whole table. No upload.