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SealFont — Create Your Personal Signet
Your name, carved into a one-of-one Japanese seal — free
Turn any name into a timeless personal signet, inspired by centuries of East Asian seal craftsmaType any name — a geometry engine composes it as a one-of-one Japanese seal in the kissō-tai tradition. Free, unlimited, no login. No AI imagery: every seal is deterministic and serial-numbered. Own it for $18.8: engraving vectors (AI/EPS/SVG) + certificate.nship.
Hi Product Hunt! Solo founder here, from Japan. 👋
Years ago an American friend visited me and wanted a hanko — the personal seal we press in vermilion ink instead of signing. His options were sad: katakana he couldn't read, kanji that wasn't legally his name, or his alphabet in a lifeless plain font. Readable, registrable, actually a seal — he could pick any two.
SealFont is my answer. Type any name and a geometry engine composes it in the manner of kissō-tai, the auspicious seal script — in about 3 seconds, free, unlimited, no login.
A twist you might enjoy: I built this WITH AI (my teammates were AI systems writing code and arguing design with me at 2am), but the product itself uses NO AI image generation. Image models hallucinate letters and can't promise uniqueness — a seal must be one of one. So every seal is composed deterministically from cryptographic randomness, recorded once under a serial number, and can be exported as real engraving vectors (AI/EPS/SVG) to be carved into a physical hanko.
The full story: https://sealfont.com/blog/non-ai...
I'll be here all day — ask me anything, and type your name to see your seal! 🔴
About SealFont — Create Your Personal Signet on Product Hunt
“Your name, carved into a one-of-one Japanese seal — free”
SealFont — Create Your Personal Signet was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #159 on the daily leaderboard. Turn any name into a timeless personal signet, inspired by centuries of East Asian seal craftsmaType any name — a geometry engine composes it as a one-of-one Japanese seal in the kissō-tai tradition. Free, unlimited, no login. No AI imagery: every seal is deterministic and serial-numbered. Own it for $18.8: engraving vectors (AI/EPS/SVG) + certificate.nship.
On the analytics side, SealFont — Create Your Personal Signet competes within Web App, Design Tools and Art — topics that collectively have 404k followers on Product Hunt. The dashboard above tracks how SealFont — Create Your Personal Signet performed against the three products that launched closest to it on the same day.
Who hunted SealFont — Create Your Personal Signet?
SealFont — Create Your Personal Signet was hunted by Yuichi Onishi. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of SealFont — Create Your Personal Signet including community comment highlights and product details, visit the product overview.
Yuichi Onishi