9 min readPDF摘要教程本地大模型
不上传就能总结 PDF：本地文档 AI 是怎么工作的
六十页的论文、两百页的合同，在自己的机器上读完要点。文本抽取、8000 字符分块与 map-reduce 总结如何配合工作，以及为什么扫描版 PDF 会返回空内容、该怎么处理。
Read article →Guides & engineering notes
The Feyard Blog
How browser-based AI actually works, and how to get real work done with it — privately, for free, without uploading a single file. Looking for a finished job instead of an explanation? Start with the end-to-end workflows.
9 min read抠图Matting教程WebGPU
在浏览器中抠图：这些模型到底是怎么工作的
两个分割模型、固定的 512×512 计算图，以及一个多数工具从不提及的授权决定。浏览器抠图如何工作、该选哪个质量档、以及如何处理头发、毛发和玻璃的边缘。
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在浏览器中从图片提取文字：完整 OCR 指南
不上传任何文件，把截图、扫描件和照片变成可编辑的文本。Tesseract.js 如何在 WebAssembly 中运行、该选哪种页面分割模式、什么时候该做预处理，以及如何用置信度分数来校验结果。
Read article →6 min readEnglish originalImage CompressionTutorialWeb Performance
How to Compress Images Without Uploading Them Anywhere
A practical guide to shrinking JPEG, PNG, WebP, and AVIF files in your browser with the same codecs cloud services use — plus settings that balance file size and quality, with zero uploads.
Read article →6 min readEnglish originalSpeech-to-TextTutorialWhisper
How to Transcribe Audio Locally: A Private Speech-to-Text Guide
A complete walkthrough of transcribing meetings, interviews, and voice memos in your browser with Whisper-based speech-to-text — no uploads, no per-minute fees, with tips for accuracy and export.
Read article →8 min readEnglish originalWebGPUWebAssemblyEngineering
WebGPU vs WASM: How On-Device AI Actually Works in 2026
A plain-English tour of the two browser technologies that make local AI possible: WebAssembly for portable compute, WebGPU for GPU acceleration — what each does, when they fall back, and what to expect on your device.
Read article →7 min readEnglish originalPrivacyLocal AIWebGPU
Why Your AI Tools Should Run in Your Browser, Not the Cloud
Cloud AI means uploading your files to someone else's server. Browser-based AI flips that model: the model downloads once, then everything runs on your device. Here is why that matters for privacy, cost, and speed.
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