Fulin Labs is Giovanni Fu Lin's independent software studio for language learning, link management, and creator publishing tools.https://fulinlabs.com/https://fulinlabs.com/blog/free-chinese-text-analyzer-known-words-2026/https://fulinlabs.com/blog/free-chinese-text-analyzer-known-words-2026/Free Chinese text analysers tell you how hard a text is in general. The useful question is how hard it is for you — which needs a model of what you already know. Here's why the tools that do that are paid desktop apps, and what I built instead.Fri, 04 Sep 2026 00:00:00 GMThttps://fulinlabs.com/blog/change-short-link-destination-2026/https://fulinlabs.com/blog/change-short-link-destination-2026/Editing where a short link points is usually possible, sometimes irreversible, and occasionally a bad idea. Here's what determines it and what breaks when you do it.Thu, 27 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/chinese-reading-practice-no-app-download-2026/https://fulinlabs.com/blog/chinese-reading-practice-no-app-download-2026/You can get real Chinese reading practice with dictionary lookup and saved vocabulary entirely in a phone browser — no install, no account. Here's how, and what you give up.Thu, 27 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/chinese-word-games-daily-vocabulary-2026/https://fulinlabs.com/blog/chinese-word-games-daily-vocabulary-2026/Daily Chinese word games are a genuinely good habit anchor — and a genuinely bad primary study method. Here's how to use them for retrieval practice without fooling yourself.Thu, 27 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/offline-flashcard-app-browser-2026/https://fulinlabs.com/blog/offline-flashcard-app-browser-2026/A browser flashcard app can work with no connection — up to a point. Here's what actually caches, what silently breaks, and how to test it before you rely on it.Thu, 27 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/share-flashcard-deck-by-link-2026/https://fulinlabs.com/blog/share-flashcard-deck-by-link-2026/Four ways to hand someone a flashcard deck — a share URL, an exported file, a platform share, or a plain spreadsheet — and which one survives contact with a study group.Thu, 27 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/tiktok-schedule-post-option-missing-2026/https://fulinlabs.com/blog/tiktok-schedule-post-option-missing-2026/The Schedule post toggle disappeared from your TikTok upload screen. Here are the actual reasons it happens, how to get it back, and what to do if it doesn't come back.Thu, 27 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/tiktok-schedule-post-time-limit-2026/https://fulinlabs.com/blog/tiktok-schedule-post-time-limit-2026/TikTok's native scheduler only lets you set a publish time a limited number of days ahead. Here's what the limit is, why it exists, and how to plan a month of content around it.Thu, 27 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/why-short-links-flagged-as-spam-2026/https://fulinlabs.com/blog/why-short-links-flagged-as-spam-2026/Shortened URLs get blocked by email filters, chat apps, and social platforms for structural reasons, not because your content is bad. Here's what triggers it and what to do.Thu, 27 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/can-claude-post-to-tiktok-instagram-2026/https://fulinlabs.com/blog/can-claude-post-to-tiktok-instagram-2026/Yes, through an MCP server — but not on every platform, and not from every account. An honest per-platform breakdown of what an AI agent can and can't publish in 2026.Mon, 17 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/does-scheduling-affect-views-2026/https://fulinlabs.com/blog/does-scheduling-affect-views-2026/No, scheduling itself doesn't suppress reach — but three things that often travel with scheduling absolutely do. Here's how to tell which one is costing you views.Mon, 17 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/free-postiz-mixpost-alternative-hosted-2026/https://fulinlabs.com/blog/free-postiz-mixpost-alternative-hosted-2026/Self-hosting a social scheduler doesn't remove the hard part — platform app approval. An honest look at Postiz, Mixpost, and when a hosted free tool is the better answer.Mon, 17 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/best-times-to-post-short-form-video-2026/https://fulinlabs.com/blog/best-times-to-post-short-form-video-2026/Find the best time to post TikTok, Reels, and YouTube Shorts with a four-week test based on your audience—not a universal engagement chart.Sat, 08 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-check-short-link-safe-2026/https://fulinlabs.com/blog/how-to-check-short-link-safe-2026/Learn how to inspect a shortened URL before opening it, check the destination with independent scanners, and recognize the warning signs of a phishing link.Sat, 08 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-choose-chinese-reading-material-hsk-2026/https://fulinlabs.com/blog/how-to-choose-chinese-reading-material-hsk-2026/Pick Chinese reading material that matches your level without relying on an HSK label alone, using a quick sample test for vocabulary, grammar, and reading flow.Sat, 08 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-make-vocabulary-flashcards-2026/https://fulinlabs.com/blog/how-to-make-vocabulary-flashcards-2026/Build vocabulary flashcards that are clear, memorable, and easy to review with spaced repetition—without turning every card into a miniature textbook.Sat, 08 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/free-chinese-graded-readers-2026/https://fulinlabs.com/blog/free-chinese-graded-readers-2026/Where to find free Chinese graded readers in 2026, how to pick the right level, and the reading method that turns them into actual vocabulary instead of pleasant scrolling.Mon, 03 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-much-time-per-day-to-learn-chinese-2026/https://fulinlabs.com/blog/how-much-time-per-day-to-learn-chinese-2026/A number-driven look at daily Chinese study time — what 15, 30, and 60 minutes a day actually buy you, why consistency beats duration, and how to build a session that fits.Mon, 03 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-read-chinese-without-pinyin-2026/https://fulinlabs.com/blog/how-to-read-chinese-without-pinyin-2026/Pinyin is a ladder, not a floor. How to tell if you're over-reliant on it, and a staged method for reading Chinese characters without romanization underneath.Mon, 03 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/hsk-2-vocabulary-guide-2026/https://fulinlabs.com/blog/hsk-2-vocabulary-guide-2026/What HSK 2 vocabulary actually covers, roughly how many words to expect, the grammar that comes with it, and a context-first way to make it stick in 2026.Mon, 03 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/hsk-4-vocabulary-guide-2026/https://fulinlabs.com/blog/hsk-4-vocabulary-guide-2026/What HSK 4 vocabulary covers, roughly how many words to expect, why it's the level most learners stall on, and a reading-first method that actually scales to 1,200 words.Mon, 03 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/is-chinese-hard-to-read-2026/https://fulinlabs.com/blog/is-chinese-hard-to-read-2026/An honest breakdown of what makes reading Chinese hard — and the four things that are genuinely easier than in European languages. Difficulty is front-loaded, not permanent.Mon, 03 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/qr-code-from-short-link-2026/https://fulinlabs.com/blog/qr-code-from-short-link-2026/Why you should always generate a QR code from a short link rather than a long URL, how to make scans trackable and editable, and the print mistakes that kill scan rates.Mon, 03 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/traditional-vs-simplified-chinese-2026/https://fulinlabs.com/blog/traditional-vs-simplified-chinese-2026/A practical guide to choosing between traditional and simplified Chinese characters — who uses which, how different they really are, and how to switch later if you need to.Mon, 03 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/url-shortener-api-2026/https://fulinlabs.com/blog/url-shortener-api-2026/When you need a URL shortener API instead of a dashboard, what to look for before you build against one, and the failure modes that bite once links are in production.Mon, 03 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/utm-builder-short-links-2026/https://fulinlabs.com/blog/utm-builder-short-links-2026/What each UTM parameter is for, the naming conventions that stop your analytics turning to mush, and how to build tagged short links without maintaining a spreadsheet.Mon, 03 Aug 2026 00:00:00 GMThttps://fulinlabs.com/blog/best-app-to-learn-chinese-reading-2026/https://fulinlabs.com/blog/best-app-to-learn-chinese-reading-2026/Compare the best Chinese reading apps for graded stories, dictionary lookups, pinyin, spaced review, and reading your own text—including genuinely free options.Thu, 23 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/can-you-learn-chinese-without-writing-2026/https://fulinlabs.com/blog/can-you-learn-chinese-without-writing-2026/Can you learn Chinese without learning to write characters by hand in 2026? Yes — reading and handwriting are separate skills, and a reading-first approach is faster if reading is your goal. Here's how.Thu, 23 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/chinese-characters-visual-dictionary-2026/https://fulinlabs.com/blog/chinese-characters-visual-dictionary-2026/What a Chinese characters visual dictionary is in 2026: how browsing characters and words by sight — with pictures, components, and examples — builds recognition faster than a text-only lookup.Thu, 23 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-long-to-learn-to-read-chinese-2026/https://fulinlabs.com/blog/how-long-to-learn-to-read-chinese-2026/How long it takes to learn to read Chinese in 2026: simple sentences in 2–3 months, basic literacy in around a year, comfortable reading in 2–3 years — with the daily habit that actually gets you there.Thu, 23 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-many-characters-to-read-chinese-2026/https://fulinlabs.com/blog/how-many-characters-to-read-chinese-2026/How many Chinese characters you need to read Chinese in 2026: ~100–300 for simple sentences, ~1,000 for basic literacy, and ~2,500–3,000 to read comfortably. Here's why the numbers work out this way.Thu, 23 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-read-chinese-characters-for-beginners-2026/https://fulinlabs.com/blog/how-to-read-chinese-characters-for-beginners-2026/How to read Chinese characters as a beginner in 2026: start with the most frequent characters, learn to see components instead of strokes, and read them in real sentences from day one.Thu, 23 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-remember-chinese-characters-2026/https://fulinlabs.com/blog/how-to-remember-chinese-characters-2026/How to remember Chinese characters in 2026: break them into components, meet them in real sentences, and review the ones you keep with spaced repetition instead of brute-force drilling.Thu, 23 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/learn-chinese-through-stories-2026/https://fulinlabs.com/blog/learn-chinese-through-stories-2026/How to learn Chinese through stories in 2026: why narrative reading builds vocabulary and grammar faster than drills, how to pick the right level, and how to turn any Chinese text into a story you can read.Thu, 23 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/learn-to-read-chinese-with-pinyin-2026/https://fulinlabs.com/blog/learn-to-read-chinese-with-pinyin-2026/How to learn to read Chinese with pinyin in 2026: use pinyin as training wheels you remove one character at a time, not a crutch you never drop. A practical guide to reading with a pinyin toggle.Thu, 23 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-study-for-hsk-1-2026/https://fulinlabs.com/blog/how-to-study-for-hsk-1-2026/A free, realistic study plan to pass HSK 1 in 2026 — vocabulary, pinyin, listening, reading, and a short daily habit that actually sticks.Mon, 20 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/hsk-3-vocabulary-guide-2026/https://fulinlabs.com/blog/hsk-3-vocabulary-guide-2026/What HSK 3 vocabulary covers, roughly how many words to expect, and a practical, context-first way to actually retain them in 2026.Mon, 20 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/hsk-levels-explained-2026/https://fulinlabs.com/blog/hsk-levels-explained-2026/HSK 1 is ~150 words, HSK 6 is ~5,000. Here's what each HSK level covers, how many words it needs, how long it takes, and how to tell which one you're actually at.Mon, 20 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/hsk-studio-vs-duolingo-chinese-2026/https://fulinlabs.com/blog/hsk-studio-vs-duolingo-chinese-2026/HSK Studio vs Duolingo for learning Chinese: a free daily game, reader, and dictionary versus a gamified structured course. Which one fits you?Mon, 20 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/auto-publish-vs-notification-reels-schedulers-2026/https://fulinlabs.com/blog/auto-publish-vs-notification-reels-schedulers-2026/Auto-publish posts Reels for you automatically; notification mode just preps it and pings you to finish manually. Here's the honest 2026 breakdown.Fri, 17 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/best-du-chinese-alternative-2026/https://fulinlabs.com/blog/best-du-chinese-alternative-2026/Looking for a free Du Chinese alternative? An honest comparison of HSK Studio, Du Chinese, and Readibu for daily Chinese reading practice — no subscription required.Fri, 17 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/fsrs-vs-sm2-spaced-repetition-2026/https://fulinlabs.com/blog/fsrs-vs-sm2-spaced-repetition-2026/FSRS vs SM-2 compared plainly: how each algorithm models memory, which one schedules fewer reviews at equal retention, and which to actually pick in 2026.Fri, 17 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-many-flashcards-per-day-2026/https://fulinlabs.com/blog/how-many-flashcards-per-day-2026/How many revision cards should you make and study each day? 10-20 new cards is the sustainable answer — here's the arithmetic behind it, why review debt breaks people, and how to pick your number.Fri, 17 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-read-chinese-news-intermediate-2026/https://fulinlabs.com/blog/how-to-read-chinese-news-intermediate-2026/How to read Chinese news as a learner in 2026: a readiness check, where to find level-appropriate news free, a practical method, and a lookup workflow.Fri, 17 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-schedule-youtube-shorts-free-2026/https://fulinlabs.com/blog/how-to-schedule-youtube-shorts-free-2026/Two free ways to schedule YouTube Shorts in 2026: native YouTube Studio scheduling on desktop and mobile, plus when a cross-poster actually pays off.Fri, 17 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-track-link-clicks-free-2026/https://fulinlabs.com/blog/how-to-track-link-clicks-free-2026/Learn how to track link clicks for free in 2026: short links with real-time analytics, UTM parameters plus GA4, and native platform stats, compared honestly.Fri, 17 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/best-buffer-alternative-short-video-2026/https://fulinlabs.com/blog/best-buffer-alternative-short-video-2026/Looking for the best Buffer alternative for short-form video in 2026? Here's an honest, disclosed-bias comparison of SchedulePost, Buffer, Later, and Metricool.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/best-free-apps-daily-chinese-practice-2026/https://fulinlabs.com/blog/best-free-apps-daily-chinese-practice-2026/Compare seven of the best free apps for learning Chinese, including reading practice, structured lessons, dictionaries, flashcards, and each free tier's limits.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/best-tools-schedule-tiktok-reels-shorts-2026/https://fulinlabs.com/blog/best-tools-schedule-tiktok-reels-shorts-2026/Best tools to schedule TikTok, Reels, and Shorts in 2026 — a disclosed-bias comparison of 7 schedulers, from SchedulePost to Sprout Social.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/chinese-article-to-flashcards-ai-2026/https://fulinlabs.com/blog/chinese-article-to-flashcards-ai-2026/Paste any Chinese text and get AI-extracted vocabulary with pinyin, definitions, and examples — turned into a reviewable SRS flashcard deck in seconds.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/content-batching-tips-daily-creators-2026/https://fulinlabs.com/blog/content-batching-tips-daily-creators-2026/Nine content batching tips for creators posting daily in 2026 — real batching schedules, time blocks, and how to turn one sitting into a week of posts.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/creative-uses-short-links-2026/https://fulinlabs.com/blog/creative-uses-short-links-2026/Six safe, practical ways to use short links in 2026: campaign folders, QR codes, UTM attribution, controlled destination updates, expiration, and API automation.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/daily-chinese-reading-habit-2026/https://fulinlabs.com/blog/daily-chinese-reading-habit-2026/A practical 2026 guide to building a daily Chinese reading habit using a short casual game, instant dictionary lookups, and a pinyin-toggle text reader.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/example-sentences-learn-chinese-faster-2026/https://fulinlabs.com/blog/example-sentences-learn-chinese-faster-2026/Word lists teach you a translation; sentences teach you the word. Six concrete techniques for using example sentences to learn Chinese vocabulary faster and forget it less.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/flashcard-vs-anki-chinese-2026/https://fulinlabs.com/blog/flashcard-vs-anki-chinese-2026/An honest AI flashcard tool vs Anki comparison for Chinese learners in 2026 — extraction, setup, audio, decks, and price, from the person who built Flashcard.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/free-hsk-vocabulary-tools-2026/https://fulinlabs.com/blog/free-hsk-vocabulary-tools-2026/The best free HSK vocabulary tools with audio in 2026 — compared on pinyin, TTS, and CSV/Anki export, including a walkthrough of extracting vocab from HSK passages.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/free-url-shorteners-analytics-2026/https://fulinlabs.com/blog/free-url-shorteners-analytics-2026/A 2026 review of the best free URL shorteners with analytics — real-time click tracking, geo/referrer data, custom domains, and price, compared honestly.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-read-chinese-text-as-a-beginner-2026/https://fulinlabs.com/blog/how-to-read-chinese-text-as-a-beginner-2026/How to read Chinese text as a beginner in 2026: read, hit an unknown character, look it up instantly, keep going. A word-by-word walkthrough included.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/how-to-schedule-short-form-video-2026/https://fulinlabs.com/blog/how-to-schedule-short-form-video-2026/A step-by-step guide to scheduling short-form video across TikTok, Reels, Shorts, and more in 2026 — upload once, auto-publish everywhere, one dashboard.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/hsk-studio-vs-pleco-2026/https://fulinlabs.com/blog/hsk-studio-vs-pleco-2026/HSK Studio vs Pleco 2026 comparison for Chinese reading: daily casual game and text reader versus the long-established dictionary app. Which fits your habit?Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/learn-vocabulary-chinese-native-content-2026/https://fulinlabs.com/blog/learn-vocabulary-chinese-native-content-2026/The best apps to learn vocabulary from Chinese native content in 2026, compared honestly — including the one I built and when the others win instead.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/schedulepost-vs-buffer-2026/https://fulinlabs.com/blog/schedulepost-vs-buffer-2026/An honest SchedulePost vs Buffer 2026 comparison for short-form video creators — feature table, pricing, and when Buffer is actually the better pick.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/seo-geo-overhaul/https://fulinlabs.com/blog/seo-geo-overhaul/Why fulinlabs.com was rebuilt from a client-rendered React SPA to a static Astro site, and what that changes for Google, Bing, and AI agents like ChatGPT and Claude.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/short-links-analytics-folders-setup-2026/https://fulinlabs.com/blog/short-links-analytics-folders-setup-2026/A step-by-step guide to creating short links with real-time click analytics: custom aliases, UTM tagging, QR codes, and what the geo and referrer data tells you.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/solo-creator-posting-workflow-2026/https://fulinlabs.com/blog/solo-creator-posting-workflow-2026/The best social posting workflow for solo creators in 2026 — batch film once, schedule everywhere, caption per platform, and route traffic to one bio link.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/spaced-repetition-chinese-srs-2026/https://fulinlabs.com/blog/spaced-repetition-chinese-srs-2026/The best SRS method for Chinese in 2026: the Reveal, Pass, Again loop, a realistic review cadence, and a daily new-word cap that actually holds up.Thu, 16 Jul 2026 00:00:00 GMThttps://fulinlabs.com/blog/why-build-in-public/https://fulinlabs.com/blog/why-build-in-public/Why Fulin Labs ships small, standalone tools instead of one big product, and why the build process is documented publicly instead of kept private.Tue, 05 May 2026 00:00:00 GMThttps://fulinlabs.com/blog/schedulepost-multiplatform-video/https://fulinlabs.com/blog/schedulepost-multiplatform-video/The workflow problem SchedulePost solves for creators publishing the same video across Instagram, TikTok, YouTube, Facebook, Threads, and X.Tue, 07 Apr 2026 00:00:00 GMThttps://fulinlabs.com/blog/shortlink-architecture-notes/https://fulinlabs.com/blog/shortlink-architecture-notes/Why most free URL shorteners skimp on analytics, and the design decisions behind ShortLink's real-time click tracking, custom aliases, and API.Tue, 10 Mar 2026 00:00:00 GMThttps://fulinlabs.com/blog/hsk-studio-daily-chinese-design/https://fulinlabs.com/blog/hsk-studio-daily-chinese-design/Why HSK Studio is built as a five-minute daily game instead of a full course, and how the built-in dictionary and text reader fit into that design.Tue, 03 Feb 2026 00:00:00 GMThttps://fulinlabs.com/blog/spaced-repetition-explained/https://fulinlabs.com/blog/spaced-repetition-explained/A plain-language look at spaced repetition — how it decides when to show you a flashcard again, and why that beats reviewing cards in a fixed order.Mon, 12 Jan 2026 00:00:00 GMT