关于 AllFileCompressor
AllFileCompressor 是面向速度、隐私与质量的现代在线压缩与转换工具。可压缩 PDF、图片、视频与音频，并转换 PDF↔图片、HEIC、WebP 与 MP4 转 MP3。
我们的不同
以本地处理优先保护隐私。文件尽可能留在您的设备上。
Key features at a glance
- Compress PDF, JPG, PNG, WebP, MP4, MOV, MKV, MP3, WAV, and ZIP online
- Convert HEIC, WebP, PDF↔image, and video to MP3 without heavy software installs
- Merge PDF and Split PDF for portals that need combined or shorter documents
- Advanced image cropper with exact px/cm size, ratios, rotate, and KB targets
- CCC / NIELIT photo resizer, passport photo maker, photo + signature maker, and signature tools
- Document scanner, scan to PDF, passport photo sheets, and bulk product photo editing
- Zero-upload privacy, free daily limits, Pro at $3/month, and 13 languages
我们的工具
AllFileCompressor 提供 PDF、图片、视频、音频与 ZIP 压缩，以及 PDF↔图片、HEIC、WebP、MP4 转 MP3 转换。
性能
使用浏览器 API、Web Workers 与 WebAssembly 优化。
联系
如需支持、建议或合作，请通过您偏好的渠道联系。
About AllFileCompressor — FAQ
What is AllFileCompressor?
AllFileCompressor (allfilecompressor.com) is a free all-in-one online file compressor and converter for PDF, images, video, audio, and ZIP — plus HEIC/WebP conversion, Merge/Split PDF, image cropping, passport and exam photo tools, document scanning, and digital signatures.
Are files uploaded to AllFileCompressor servers?
No. Supported compression and conversion run privately in your browser with WebAssembly and Web Workers. File contents are not uploaded to AllFileCompressor servers for processing.
What file types can I compress or convert?
You can compress PDF, JPG, PNG, WebP, MP4, MOV, MKV, MP3, WAV, and ZIP, and convert HEIC, WebP, PDF↔image, and video to MP3 — all from one website.
Do I need to install software?
No. AllFileCompressor works in a modern desktop or mobile browser. No desktop app install is required.
Is AllFileCompressor free?
Yes. Free daily limits apply on the Free plan. Pro is $3/month for unlimited use across tools, with support for 13 languages.
Who do I contact for support?
Email info@allfilecompressor.com or visit https://allfilecompressor.com/ for tools, pricing, and help.