Guides
Guides
Practical guides on handling your files safely in the browser. Every article links straight to the actual tool.
How to Merge and Split PDFs in Your Browser — No Upload Needed
How to combine several PDFs into one, or pull out just the pages you need — processed safely inside your browser, without sending files to a server.
Read →WEBP vs PNG vs JPG — Which Format to Use, and When
How the three main web image formats differ, which one fits each situation, and how to convert between them right in your browser.
Read →What Is On-Device AI? Using AI Without Uploading Your Files
How on-device AI runs models directly inside your browser with WebGPU and WebAssembly — the concept, the upsides, and the trade-offs.
Read →Auto-Generate Subtitles from Video and Audio (Free, In Your Browser)
How to automatically generate subtitles and transcripts from meeting recordings or videos — processed in the browser, with no upload.
Read →5 Ways to Shrink a PDF
Practical ways to slim down heavy PDFs that keep running into email attachment and upload size limits.
Read →Local LLMs in 2026 — Llama, Mistral, Phi, or Gemma?
What sets the four major open-weight model families apart on laptops and in browsers, and what to look for when running them on-device.
Read →How GDPR and Privacy Laws Shape AI — and Why On-Device Is the Answer
How privacy regulation constrains the design of AI services, and why processing that never transmits data is such a powerful solution.
Read →Why Businesses Should Consider Local AI Over Cloud AI in 2026
Why on-device AI is emerging as an alternative — data control, cost, latency, and compliance — with an honest look at its limits.
Read →7 Principles for Real Privacy in the Age of AI
Seven concrete, actionable principles for keeping your data yours while using AI tools.
Read →How to Password-Protect a PDF (and Unlock It) in Your Browser
How to add an open password to sensitive PDFs, and remove it again with a password you know — with the file and password never leaving your browser.
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