Cover image for Nami Paper — Editable Storefront

Nami Paper — Editable Storefront Design Concept A self-initiated design for a fictional stationery brand. This is a portfolio example, not client work or a functioning online shop. The homepage gives one printable planner a clear place in the story. The product page puts the format, page count and digital-delivery details beside the next action. A warm palette, serif headings and a simple wave mark carry the same identity across both pages. The Figma file contains editable text, vector marks and component instances, so you can inspect the structure rather than judge only a screenshot. Conversion impact and production implementation have not been validated. View the editable design: https://www.figma.com/design/slq8fCdTAasxI7721c4nk7?node-id=2-2 For a small storefront design project, share the page you need, your existing brand assets and the intended handoff. We can agree on the design scope before work begins. Created with AI assistance; design and wording reviewed before publication.

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Cover image for CSV Cleanup with Unresolved Records

CSV Cleanup with Unresolved Records — Fictional Example A self-created six-row CSV demonstration of agreed cleanup rules, original record preservation, and an explicit QA status. The article includes before-and-after data and a Python example: all six rows remain, while ambiguous duplicate emails and missing values are left for review. This is fictional data, not a client delivery or a customer success story. It does not certify CRM compatibility or guarantee import success. The image shows the published technical article. Read the example: https://browser-workflow-notes.sutars.chatgpt.site/csv-cleanup-with-unresolved-records/ English portfolio text prepared with AI assistance.

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Cover image for Telegram Web Translation Sidebar —

Telegram Web Translation Sidebar — Self-Made Project A self-developed Chrome extension, already published on the Chrome Web Store, that places translated messages beside Telegram Web conversations. The linked article explains its sidebar, message-to-translation mapping, and reviewed reply replacement. This is personal development work, not a client engagement. Text is sent to an external translation service. Current interface compatibility, service availability, and translation quality require separate verification. The image is the published article; it does not show a new live-chat test or measured customer results. Read the project: https://browser-workflow-notes.sutars.chatgpt.site/telegram-translation-sidebar/ English portfolio text prepared with AI assistance.

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Cover image for Discord Web Translation Extension —

Discord Web Translation Extension — Self-Made Project A self-developed Chrome extension for inline reading translation and reviewed reply translation in Discord Web, already published on the Chrome Web Store. The linked technical article explains its browser DOM integration and external translation requests. This is personal development work, not a client result. Current interface compatibility and translation quality require separate verification; no measured productivity gains or revenue are claimed. The image is the published article, not a fresh live-chat test. Read the project: https://browser-workflow-notes.sutars.chatgpt.site/discord-inline-translation/ English portfolio text prepared with AI assistance.

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Yudai Shintake

Japanese AI/SaaS Localization & No-Code Specialist