If you like to customize your favorite chats, there is a good chance that you would appreciate custom sounds. What makes it so handy is the ability to let you set any short audio clip from a chat as a notification sound. It will make it a bit more convenient for you to identify the alerts from a specific Telegram chat. Keep in mind that the audio clip must be less than 5 seconds and up to 300KB in size. Lock Your Chats 1b Customizations
Pin Messages in Channelsb Telegram API: lets you create your own customized Telegram clients. You can read Telegram’s open-source code to know how the platform works. Large file size limit Telegram Pin Messages
Go to Settings > Chat Settings to create your own theme. Create Channel For maximum privacy, you can create secret chats that use end-to-end encryption. These aren't stored on Telegram's servers, so you can only access them with your specific phone. If one party deletes a message, it disappears on both devices. And you can specify a self-destruct period for all media if you like. Premium No Ads
Chat folders Telegram allows edit, unsend sent messages even for the other people on the same chat. It allows to unsend messages shared with the first 48 hours after sending.
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