Simple, cross-language, fast to parse, with a mature tool ecosystem — JSON became the default for APIs and config files thanks to these traits. Here are its core advantages and use cases.
2026-08-28Đọc thêm →JSON error driving you mad? API responses hard to read? This guide shows how to format, minify and validate JSON, plus convert between JSON, CSV, YAML and XML — all free on HeronTool.
2026-08-28Đọc thêm →In 2001 Douglas Crockford distilled a minimal data format from JavaScript object literals. Two decades later it became the common language of internet APIs. Here is the story of JSON's birth, standardization and rise.
2026-08-28Đọc thêm →WYSIWYG fidelity, cross-device consistency, resistance to casual editing, self-contained fonts and images — PDF delivers "document determinism" at its best. Here are its core advantages and use cases.
2026-08-28Đọc thêm →Combine PDFs into one, split a big file into single pages, and slim down oversized PDFs — these daily chores are free and fully local in your browser on HeronTool.
2026-08-28Đọc thêm →Released by Adobe in 1993, PDF grew from founder John Warnock's vision: documents that look identical on any device. Three decades later it is the world's default format for exchanging documents. Here is its story, standardization and present.
2026-08-28Đọc thêm →No app needed, scannable anywhere, decent capacity and built-in error correction — QR codes shrink the gap between offline and online to a single scan. Here are their core advantages and typical uses.
2026-08-28Đọc thêm →Smaller files, better quality, more capabilities — WebP supports lossy, lossless, transparency and animation at once, and is becoming the de facto standard for web images. Here are its core advantages and use cases.
2026-08-28Đọc thêm →Convert JPG/PNG to WebP, turn WebP back to common formats, and compress WebP files — this guide walks you through a complete WebP workflow using free HeronTool utilities.
2026-08-28Đọc thêm →Born in 2010 from VP8 video encoding and now a mainstream, fully browser-supported web image format, WebP traveled an extraordinary path. This article looks back at its origins, milestones and current status.
2026-08-28Đọc thêm →