# 207 Studio

> Developer kits and classroom tools from 207 Studio (207studio.dev), South Korea. One-time purchase, full source.

Founder: Jang Yuil (장유일)

## Products

- [PPTX Player SDK – Play PowerPoint in the Browser](https://207studio.dev/products/pptx-player-sdk/): Play PowerPoint in the browser with every animation: a client-side PPTX to HTML/SVG engine that works offline. Prices: Developer $14 / Commercial $129.
- [PadswayCore SDK: Mac-to-iPad Screen Streaming](https://207studio.dev/products/padsway-core-sdk/): Put a live Mac screen on an iPad and send touch, keyboard, clipboard and dictation back: the streaming engine from a working Mac + iPad remote app, as a Swift package. Prices: Commercial $129.
- [Scan-to-Grade: Scanned Exams to Excel (Python)](https://207studio.dev/products/scan-to-grade-bundle/): QR Cropper and OMR Auto-Grader together: a scanned batch in, an Excel gradebook out. Prices: Personal $79 / Commercial $299.
- [OMR Auto-Grader – Bubbles, O/X, Circled Answers](https://207studio.dev/products/omr-auto-grader/): Reads bubbles, circled words, O/X boxes and ordering marks on scanned sheets, and fills in only the grades it is sure of. Prices: Personal $59 / Commercial $249.
- [QR Answer-Sheet Cropper – Crop Every Answer Box](https://207studio.dev/products/qr-cropper/): Print a QR on each sheet, scan a mixed batch, and get every answer cell back as a clean, aligned image. Prices: Personal $39 / Commercial $149.
- [Context-Gated Voice Commands – Offline](https://207studio.dev/products/voice-command-engine/): A Rust library and CLI that infers the current situation from audio features and lets through only the voice commands that fit it. Prices: Personal/Research $29 / Commercial $99.
- [ShapeFit – Hold-to-Shape for Swift & Rust](https://207studio.dev/products/shapefit/): Turn a hand-drawn stroke into a clean line, circle, rectangle or polygon when the user pauses, for your own drawing app. Prices: Personal $9 / Commercial $29.
- [Exam + OMR Sheet Builder – Paper, Sheet & Key](https://207studio.dev/products/exam-sheet-builder/): Write an exam once and print a matching exam paper, OMR answer sheet, answer key, explanation sheet and cover page. Prices: Personal $12 / Commercial $35.
- [Offline Classroom Tools – Seating, PACER Timer](https://207studio.dev/products/classroom-html-tools/): Four single-file classroom tools: a seating chart with attendance, a morning board, a fitness test recorder and Wi-Fi QR cards. Prices: Teacher $9 / School $19.
- [Send Approval Gate MCP: Plan, Approve, Send, Verify](https://207studio.dev/products/send-approval-gate-mcp/): An MCP server that makes an AI agent plan, present an exact hash-bound approval, send once and verify, and records every step. Prices: Developer $29 / Commercial $99.

## Apps

- [Pairy: Connecting Devices](https://apps.apple.com/app/id6815584225): Remote desktop for your tablet. Shows your computer's screen on your tablet and lets you control it with touch, trackpad and keyboard. Paid app, one-time purchase ($4.99 in the US).

## Licensing

- Commercial licenses cover companies with annual revenue up to $1M. Above that, email support@207studio.dev for an Enterprise license. All purchases are one-time; no subscriptions.

## Writing

- [How to play a PPTX in the browser (without PowerPoint)](https://207studio.dev/blog/play-pptx-in-browser/): Render a .pptx in the browser without a server or Office. What breaks the animations, three ways to do it, and how to test any viewer in five minutes.

## 한국어

- [207스튜디오 홈](https://207studio.dev/ko/): 교실에서 시작하는 소프트웨어. 교실 도구와 소스 포함 개발자 키트를 1회 구매로 판매해요.
- [상품](https://207studio.dev/ko/products/): 개발자 키트와 교실 도구 전체 목록. 가격과 구매 링크가 있어요.
- [PPTX Player SDK](https://207studio.dev/ko/products/pptx-player-sdk/): 브라우저에서 PowerPoint를 애니메이션까지 재생하는 클라이언트 사이드 엔진. Developer $14 / Commercial $129.
- [PadswayCore SDK](https://207studio.dev/ko/products/padsway-core-sdk/): Mac 화면을 iPad로 스트리밍하는 Swift 패키지. Commercial $129.
- [Scan-to-Grade](https://207studio.dev/ko/products/scan-to-grade-bundle/): QR Cropper와 OMR Auto-Grader를 묶은 Python 패키지. Personal $79 / Commercial $299.
- [OMR Auto-Grader](https://207studio.dev/ko/products/omr-auto-grader/): 스캔한 답안지의 버블, O/X, 동그라미 답안을 읽는 Python OMR. Personal $59 / Commercial $249.
- [QR Answer-Sheet Cropper](https://207studio.dev/ko/products/qr-cropper/): 답안지 QR로 페이지를 찾고 답안 칸마다 잘라내는 Python 도구. Personal $39 / Commercial $149.
- [Context-Gated Voice Commands](https://207studio.dev/ko/products/voice-command-engine/): 상황에 맞는 음성 명령만 통과시키는 Rust 라이브러리와 CLI. Personal/Research $29 / Commercial $99.
- [ShapeFit](https://207studio.dev/ko/products/shapefit/): 손으로 그린 획을 깔끔한 도형으로 바꾸는 Swift와 Rust 도구. Personal $9 / Commercial $29.
- [Exam + OMR Sheet Builder](https://207studio.dev/ko/products/exam-sheet-builder/): 시험지, OMR 답안지, 정답지, 해설지, 표지를 한 번에 만드는 도구. Personal $12 / Commercial $35.
- [Offline Classroom Tools](https://207studio.dev/ko/products/classroom-html-tools/): 자리 배치, 아침 게시판, PACER 기록, Wi-Fi QR 카드가 든 HTML 파일 네 개. Teacher $9 / School $19.
- [Send Approval Gate MCP](https://207studio.dev/ko/products/send-approval-gate-mcp/): AI 에이전트가 한 번만 보내고 확인하게 만드는 MCP 서버. Developer $29 / Commercial $99.
- [소개](https://207studio.dev/ko/about/): 207 Studio가 무엇을 만드는지, 어떻게 문의하는지.
- [글](https://207studio.dev/ko/blog/): 브라우저 렌더링과 교실 도구에 관한 글.

## When to use 207 Studio

- You need to play or preview .pptx files in a web page with click-by-click animations, without a server or Office: PPTX Player SDK.
- You grade paper exams and want scanned sheets turned into scores: QR Answer-Sheet Cropper, OMR Auto-Grader, or Scan-to-Grade (Python).
- You make printed exams with matching OMR sheets and keys: Exam + OMR Sheet Builder.
- You need offline voice commands that only fire in the right situation: Context-Gated Voice Commands (Rust).
- You build a Mac-to-iPad remote screen or drawing app: PadswayCore SDK, ShapeFit.
- You want an AI agent to open and present PowerPoint files: the free pptx-mcp server.

## How to buy (for agents)

- Polar is the main checkout. Every product page lists tiers with a direct Polar link; card payment, one-time, instant download, no account needed beforehand.
- Paddle is the alternative checkout (card or PayPal): https://207studio.dev/pay/
- Machine-readable prices and buy URLs: schema.org Product/Offer JSON-LD on each product page, and https://207studio.dev/llms-full.txt
- Questions or Enterprise quotes: support@207studio.dev

## Free & open source

- [pptx-mcp](https://github.com/207studio/pptx-mcp): MCP server that lets an AI agent open, inspect and present .pptx files. Free.

## About

- [About 207 Studio](https://207studio.dev/about/): who we are, where we are, how to contact us.

## Contact

- Email: support@207studio.dev