Enter the recipient, subject, body and any CC or BCC addresses. The encoded mailto link and a ready-to-paste HTML anchor appear below — copy whichever you need.
Because everything after the question mark must be percent-encoded. Spaces, ampersands, line breaks and accented characters all break a hand-written mailto link silently — the mail client just drops the subject or truncates the body. This tool encodes every field correctly.
Just press Enter in the body box. Each newline is encoded as %0A, which mail clients turn back into a real line break, so you can pre-fill a multi-paragraph template or a labelled form for people to fill in.
Yes. Separate addresses with commas in the To, CC or BCC fields and they are encoded as one recipient list. Note that some webmail clients cap how many addresses they accept from a link, so keep lists short for reliability.