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Hyprnote (YC S25), also known as Char

hyprnote.com · San Francisco, California, United States · founded 2025 (YC S25 batch) · team 4 employees · YC S25 (Y Combinator Summer 2025 batch) · trust 0/4

AI notepad that gets things done.

This dossier was built by Clark from a public scan on 2026-07-04 and is unclaimed. Is this your startup? Claim it.

Verified facts

Company NameHyprnote (product: Char)
source: https://www.linkedin.com/posts/tarof_im-thrilled-to-invest-in-hyprnote-yc-s25-activity-7359251999579664386-uDhl
Legal EntityFastrepl
source: https://github.com/fastrepl
Product TaglineAI notepad that gets things done.
source: https://hyprnote.com
Startup StageYC S25 (Y Combinator Summer 2025 batch)
source: https://www.linkedin.com/posts/tarof_im-thrilled-to-invest-in-hyprnote-yc-s25-activity-7359251999579664386-uDhl
FoundersJohn Jeong, Yujong Lee, Deokhaeng Lee, Sung Cho
source: https://www.linkedin.com/posts/tarof_im-thrilled-to-invest-in-hyprnote-yc-s25-activity-7359251999579664386-uDhl
Team Size4 employees
source: https://www.workatastartup.com/companies/30711
LocationSan Francisco, California, United States
source: https://www.workatastartup.com/companies/30711
Founded Year2025 (YC S25 batch)
source: https://www.linkedin.com/posts/tarof_im-thrilled-to-invest-in-hyprnote-yc-s25-activity-7359251999579664386-uDhl
Public Contact Emailfounders@fastrepl.com
source: https://github.com/fastrepl

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