文件校验File Checksum
计算文件的 SHA 校验值,并和官方给出的值对照。Compute SHA-1/256/384/512 of a file and compare it with the checksum a publisher gave you.
把多个文件在浏览器里打包成一个 .zip。Bundle several files into one .zip archive in your browser.
理念:Idea: 一堆文件,一个包发出去。Many files, sent as one package.
解决:Solves: 打包成一个 ZIP 再发送Packs files into one ZIP
适合:For: 一次发很多文件的人Anyone sending many files
在你的设备上本地处理。这里输入的内容不会上传。Processed locally on your device. Nothing you enter here is uploaded.
计算文件的 SHA 校验值,并和官方给出的值对照。Compute SHA-1/256/384/512 of a file and compare it with the checksum a publisher gave you.
重新压缩 PDF 内嵌的 JPEG 图片来减小体积,文字保持清晰、可选中。Shrink a PDF by re-compressing the JPEG pictures inside it. Text stays sharp and selectable.
按指定质量重新编码 JPG、PNG、WebP 图片以减小体积。Shrink JPG, PNG and WebP images by re-encoding them at a chosen quality.
缩小视频体积:可选画质和最大分辨率,输出 MP4(H.264)。Make a video smaller: choose quality and maximum resolution. Output is MP4 (H.264).
或拖到这里
可多选,合计最大 400 MB · 文件只在你的设备上处理