Small tools浩
Quiet, practical utilities that run entirely in your browser. No uploads, no accounts, no tracking.
Things I needed myself, kept here in case you do too.
01
ICS formatter validate & fix calendar files
Paste a broken .ics file. Get back a clean one. Fixes line endings, line folding, missing UID and DTSTAMP, mismatched BEGIN/END blocks, and the small RFC 5545 details that quietly break imports.
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VCF splitter one vCard per contact
Split a single .vcf file containing many contacts into individual vCard files. Search, select, and download — useful for moving contacts between iPhone, Android, and Google.
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