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关于 JSON、图片、PDF 与开发者效率的实用指南。 共 25 篇，显示第 1–12 篇
Favicon Guide 2026: Sizes, Formats, and How to Make One That Looks Sharp
That tiny icon in the browser tab matters more than you think. Every size you need, which formats still matter, and how to generate them free.
How to Extract Audio from Video (MP4 to MP3): Free, No Software
Need just the audio from a video? Pull out MP3 audio from any MP4 in seconds, right in your browser: lectures, music, podcasts, voice memos.
10 Online Tools That Save Developers Hours Every Week
The right tools eliminate tedious manual work. Here are 10 browser-based tools that developers reach for every day.
JSON vs YAML vs TOML: Which Config Format Should You Actually Use?
Every project needs config files, and every format has opinions. A practical, hype-free comparison from someone who's debugged all three at 2am.
JPG to WebP Migration: A Step-by-Step Guide for Websites
Migrating from JPG to WebP is one of the highest-impact performance improvements available. Here's how to do it systematically.
PDF Metadata: What Your Files Reveal About You (and How to Remove It)
That PDF you just shared might contain your name, software, and edit history. Here's what metadata leaks and how to strip it in seconds.
How to Compress Images for the Web Without Losing Quality
Large images are the #1 cause of slow websites. Here's how to shrink them by 70-90% while keeping them sharp. Free, in your browser.
Free PDF Tools vs Adobe Acrobat: An Honest Comparison
Adobe Acrobat costs hundreds per year. Here's an honest look at what free browser-based tools can and genuinely cannot do.
Image Format Comparison 2026: Which Should You Use?
With JPG, PNG, WebP, AVIF, and SVG all available, which format should you actually use? A practical, no-nonsense comparison.
Base64 Encoding and Decoding: A Developer's Reference
Base64 appears in authentication headers, data URLs, email attachments, and API tokens. Here's exactly what it is and how to use it.
WebP Format: The Developer's Complete Guide
WebP is now the standard image format for the web. Everything you need to know about browser support, quality settings, and when to use it.
SVG Images: The Complete Guide to Scalable Vector Graphics
SVG files stay crisp at any size, making them perfect for logos and icons. Learn when to use SVG and how to work with it across different formats.
HEIC to JPG: Convert iPhone Photos for Universal Compatibility
iPhones shoot in HEIC format, but many apps and websites don't accept it. Here's how to convert HEIC photos to JPG quickly and for free.