Asegúrate de que es el archivo que publicaron.

Pégala y obtén una respuesta clara

A checksum is a short code worked out from a file's contents, published so you can tell that the copy you downloaded is the right one. Right-click a download in the list, choose Verify checksum... and paste the code from the site. GDM answers The file matches or The file does NOT match. Nothing to install, and no command to type.

Los tipos comunes, leídos tal cual

GDM reads MD5, SHA-1, SHA-256, SHA-512 and CRC32 checksums. Paste the code as the site shows it: there is no list to pick the kind from, as GDM tells them apart by their length.

Pregunta antes de que termine

A finished file is checked at once. Ask while it is still downloading, and GDM checks it when the download ends. You can paste the code as soon as the download starts, and come back to the answer.

También desde la línea de comandos

El comando get de la línea de comandos toma --checksum y comprueba el archivo terminado: el código en hexadecimal, solo o con nombre, como en sha256:…. Un comando descarga el archivo y lo comprueba:

misterdownloadmanager-cli get https://example.com/big.iso -o D:\Downloads --checksum sha256:9f86d0…

La guía de línea de comandos enumera todo lo que get admite.

GDM checks its own downloads too

The same care goes into what GDM fetches for itself. The helpers it can install for videos are verified before they run: yt-dlp against its developers' signing key, ffmpeg against its published checksums. GDM's own updates install only files listed in a checksum list signed with GDM's release key, which every release carries.