Prologue

Beyond language,
through memory

Translate once, and the style is never forgotten. Each new project picks up where the last one left off — so you focus on the content, not the rewrites.

₩700

/min ~$0.50

languages

Start free →

Chapter 01

There's a reason
for Linchpin AI

Faster, more affordable, more consistent.
Translation you won't want to give up once you've tried it.

Chapter 02

One platform,
every translation

Subtitles and documents, video and academic. Upload a file, get it back with the original structure intact.

3 subtitle formats 3 document formats AI + Human Review

Translate now →

Chapter 03

AI that remembers,
translation that doesn't forget

Translation Memory — the core feature of professional CAT tools — built directly into AI translation.

Not in any competitor

Chapter 04

A single name
can make or break a fandom

Tell us the names of characters, places, and terms once. Across all 10 episodes of a series, not a single letter wavers.

서윤하 → Seo Yunha
달빛 서가 → The Moonlit Archive

100% locked

Chapter 05

Pay only
for what you use

No subscriptions, no commitments, no expirations.
Top up when you need it, keep what you don't use.

₩5,000

free credit (~$3.70)

Get free credit →

Epilogue

From the people
who've used it

Not marketing copy. Reviews from people who've actually run translations through Linchpin AI.

What if your AI translator remembered everything?

AI translation that
remembers your tone,
terms, and style.

Translate ten episodes of a series — the voice never wavers.
Translation Memory and Glossary keep every line consistent.

Start free → See how it works

From ₩700/min (~$0.50) · 11 languages · ₩5,000 free credit on signup

At a Glance

The numbers speak

+40%

Watch-completion lift
with subtitles

3 min

Avg. translation time
for a 10-min subtitle file

1/10

Cost vs. agency
human translation

Supported
file formats

Who it's for

YouTubers & creators

Multilingual subtitles to grow your global audience. Drop in SRT/VTT, ₩700/min (~$0.50).

Studios & OTT producers

Series-tone consistency plus human review. Per-project style memory saved automatically.

Freelance translators

AI draft → your review → delivery. Roughly double the throughput in the same hours.

11 Languages Supported

🇰🇷

Korean

Human review

🇺🇸

English

Human review

🇯🇵

Japanese

Human review

🇨🇳

Chinese

Human review

🇪🇸

Spanish

🇻🇳

Vietnamese

🇹🇭

Thai

🇮🇩

Indonesian

🇫🇷

French

🇧🇷

Portuguese

Services

Upload a file. We'll handle the rest.

Time codes and formatting stay untouched, while Translation Memory and Glossary lock in consistency.

🎬

Subtitle Translation

From ₩700/min (~$0.50)

SRT/VTT/FCPXML — not a single millisecond moved. Done in 3 minutes after upload.

PDF, DOCX, TXT — formatting preserved. Fonts, bolds, paragraphs, even tables come through.

Saves the tone, terms, and style of past translations. Auto-applies to the next one. The more you use it, the sharper it gets.

Not in any competitor

📋

Glossary

100% locked

Not in any competitor

Two-tier Translation

⚡ AI Translation

When you need a fast first pass. Done in 3 minutes after upload. Translation Memory keeps it consistent.

Subtitles ₩700/min · Docs ₩3/char

🔍 AI + Human Review

When broadcast quality matters. Professional reviewers edit the AI draft directly. Live chat for revision requests.

Subtitles ₩6,000/min · Docs ₩25/char

Translation Memory

What other AI doesn't have

We've taken the core feature of professional CAT tools (Trados, memoQ) and built it directly into AI translation.

Feature	Generic AI	Linchpin AI
Auto-references prior translations	✗	✓
Style auto-applied	✗	✓
Terminology consistency	✗	✓
Time codes preserved	✗	✓
Human review integration	✗	✓

Live Demo — Medical AI imaging paper series (KO → EN)

💾 Paper 1 — TM saved

🇰🇷 Source

본 연구는 딥러닝 기반 CNN을 활용하여 흉부 X선에서 폐결절을 자동 탐지하는 방법론을 제안하였다.

🇺🇸 Translation (saved)

This study proposes a methodology for automatically detecting pulmonary nodules in chest X-ray images using a deep learning-based CNN.

89% match

→

⚡ Paper 2 — TM auto-applied

🇰🇷 Source

본 연구는 자기지도학습 기반 ViT를 활용하여 복부 CT에서 간 병변을 자동 분류하는 프레임워크를 제안하였다.

🇺🇸 Translation result

This study proposes a framework for automatically classifying hepatic lesions in abdominal CT images using a self-supervised learning-based ViT.

↑ Sentence structure & register reused from 89% TM match

100%

Terminology consistency

89%

Style auto-aligned

∞

Smarter with use

Glossary

Tell us once,
we'll never forget.

🎭

Proper nouns

Characters, titles, brands

🎵

Fandom terms

Official names & expressions

📋

Terminology

Industry, legal, technical

📋 Registered glossary — drama "The Moonlit Archive"

Source

Translation

서윤하

→

Seo Yunha

강하린

→

Kang Harin

달빛 서가

→

The Moonlit Archive

기억의 문

→

The Gate of Memories

❌ Without glossary

Suh Yoon-Ha opened the door of Moonlight Bookstore and called out to Kang Ha-Rin. "The Door of Memory is about to close. We have to hurry."

↑ Names and place names drift between episodes

✓ With glossary applied

Seo Yunha opened the door of The Moonlit Archive and called out to Kang Harin. "The Gate of Memories is about to close. We have to hurry."

↑ 100% identical across all 10 episodes

Pricing

Fair pricing, transparent structure

No subscription. Top up when you need it. Credits never expire. Billed in KRW (Korean Won) — USD figures are approximate.

Subtitles · AI

₩700/min

~$0.50/min · 10-min video = ₩7,000 (~$5)

Done in 3 minutes after upload. Time codes 100% preserved.

Subtitles · AI + Human Review

₩6,000/min

~$4.30/min · 10-min video = ₩60,000 (~$43)

AI draft + professional reviewer edits. Broadcast-grade quality.

Documents · AI

₩3/char

~$0.002/char · 10,000 chars = ₩30,000 (~$22)

PDF/DOCX/TXT formatting preserved. Paragraphs and tables auto-aligned.

Documents · AI + Human Review

₩25/char

~$0.018/char · 10,000 chars = ₩250,000 (~$180)

For documents where accuracy matters — legal, academic, contracts.

🎁 Signup bonuses

STEP 01 · ₩5,000 instant on signup
STEP 02 · +₩3,000 after first translation
STEP 03 · +10% bonus on first top-up

💳 Top-up packages

₩10K

Starter

₩30K

+5%

₩50K

+10%

₩100K

+15%

₩200K

+20%

Testimonials & FAQ

User Reviews

"Drop in an SRT and not a single timecode breaks. The conversational tone reads beautifully natural. Especially helpful on series work."

— Kim, Freelance Subtitle Translator (translated from Korean)

"It's AI, but the awkward direct translations are basically gone. I'm getting through almost twice the work in the same hours."

— Lee, Freelance Translator (translated from Korean)

"Terminology stays consistent across every document. One file solves it all."

— Park, Marketing Lead at a multinational (translated from Korean)

Frequently Asked Questions

Can I translate right away with the free credit?

Yes — ₩5,000 (~$3.70) lands in your account instantly on signup. Enough for about 7 minutes of subtitles or 1,600 characters of documents.

What makes Translation Memory different?

Generic AI starts fresh every time. Linchpin AI auto-saves the style of your past translations per client and project, then auto-applies it to the next one.

What file formats do you support?

Subtitles: SRT, VTT, FCPXML. Documents: PDF, DOCX, TXT. Six formats total.

Do credits expire?

No. Topped-up credits never expire.

How is my data secured?

Every file is encrypted at rest with AES-256 and auto-deleted after 90 days.

Why is everything priced in KRW?

Linchpin AI is built and operated in Korea. Payments are processed in KRW (Korean Won) via TossPayments, with international cards accepted. The USD figures shown are approximate at ~₩1,400/USD.

AI translation thatremembers your tone,terms, and style.

The numbers speak

Upload a file. We'll handle the rest.

What other AI doesn't have

Tell us once,we'll never forget.

Fair pricing, transparent structure

User Reviews

Frequently Asked Questions

AI translation that
remembers your tone,
terms, and style.

Tell us once,
we'll never forget.