Toolnjoy
194 free Korean web tools, no sign-up, all in-browser
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Toolnjoy - 194 free Korean web tools, no sign-up, all in-browser

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Korean calculators are scattered across ad-heavy blogs. Toolnjoy puts 194 of them in one place, in Korean, with no login and no install. Salary, tax, real-estate and loan calculators on 2026 Korean rates. 14 PDF tools (merge, split, compress, redact, sign, OCR). Background removal, HEIC to JPG, screen recording, video trim, GIF export. Hangul text tools, and 250 coding lessons in 10 languages graded in the browser. Files never leave your device. PDF, image and video tools run client-side.

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I kept googling "salary after tax calculator" and landing on blogs buried in ads that wanted me to install something. So I started building the tools I needed, one at a time, and it grew to 174. Two rules I stuck to: no sign-up, and nothing gets uploaded. Every PDF and image tool runs in the browser, so files never touch a server. It is Korean-only for now. If you read Korean, I would love to hear what is wrong or missing.