博客
关于文件处理的实用指南。
- ·5 分钟阅读
How to Compress a PDF Without Losing Quality
A practical guide to reducing PDF file size — covering browser tools, what actually makes PDFs large, and tips for getting the smallest file without degrading readability.
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- ·6 分钟阅读
WebP vs PNG vs JPG — Which Format Should You Use?
A no-fluff comparison of the three most common image formats. Learn when each format wins, typical file size differences, and how to convert between them in seconds.
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How to Merge PDF Files — 3 Free Methods
Learn how to combine multiple PDFs into one document using browser tools, macOS Preview, and command-line utilities. Covers page order, file size, and common pitfalls.
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How to Add Page Numbers to a PDF
A guide to adding page numbers to existing PDF files — covering position, format, skipping pages, and tools from browser-based to Acrobat.
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How to Add a Watermark to a PDF
When and how to watermark PDF documents — covering layout options (diagonal, center, tiled), opacity, colour, and privacy-safe browser tools.
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How to Convert HEIC to JPG Without Losing Quality
Why iPhones use HEIC, where it breaks, and how to convert to JPG or PNG using browser tools, macOS, iPhone settings, and command-line utilities.
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- ·6 分钟阅读
How to Extract Text from a PDF (Text-Based and Scanned)
Two approaches for two kinds of PDFs: direct text extraction for digital PDFs, and OCR for scanned documents. Covers browser tools, command-line, and common problems.
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- ·7 分钟阅读
How to Compress Images for the Web — A Complete Guide
Everything you need to know about image compression for websites: lossy vs lossless, format selection, quality settings, resizing, and performance best practices.
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