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Rename Telegram files, change thumbnails, captions and prefixes.
Monthly active users
𝗗𝗖 𝗥𝗲𝗻𝗮𝗺𝗲𝗿 is a Telegram bot focused on file management inside chats. It renames documents and videos and updates their thumbnails without leaving Telegram.
The bot supports files up to 4 GB. After sending a file, you can assign a new name and choose a thumbnail, which is useful for organizing media libraries, work assets, or channel uploads. A permanent thumbnail mode lets you apply the same preview to all future files automatically.
Users can configure custom captions and prefixes that are added to processed files. This helps standardize naming by project, type, or context. Simple commands allow viewing and clearing saved preferences when needed.
The tool is suitable for channel owners, media managers, and anyone who frequently shares files via Telegram. It streamlines repetitive file preparation tasks and keeps shared content visually consistent and easier to navigate.
