I Built 15 Free Browser Tools That Never Touch a Server

说明与用途

Napizo 是一组 15 个完全在浏览器中运行的免费工具，消除了服务器成本和隐私问题。

问题

Free online tools often require uploading files to a server, incurring costs and raising privacy concerns.

结果

Napizo delivers 15 free browser tools that process files locally, reducing costs, improving privacy, and simplifying deployment on static hosts.

工作流

• 1. User selects a file in the browser.
• 2. JavaScript libraries (pdf.js, pdf-lib, Canvas API, Web Workers, Tesseract.js, ag-psd) process the file locally.
• 3. Result is generated and offered for download or display.
• 4. No data is sent to any server.

证据

your files never leave your device.

来源

Running everything in the browser flips the economics: the user's device does the work, so there is no per-file server cost at all.

来源

A phone browser will kill your tab if you load a 100-page PDF into RAM carelessly. The fix: process pages in chunks, release object URLs promptly, and never keep the full decoded document in memory longer than necessary.

来源