tiny[stash] is the easiest way to share files from Telegram to the public internet.
Just send anything1,2 to @tinystash_bot Telegram bot and get public HTTP link.
You can also upload any1 file or text directly with your browser or HTTP client.
1 Maximum file size is 20 MiB.
2 Currently supported content types include: photos, audio, voice notes, videos, video notes, stickers, and documents (regular files).