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How to Change Telegram's Theme and Text Size

The appearance settings hold more than a dark mode switch. There is an accent colour, a message text size, the corner shape of bubbles, a night mode…

  • LevelL1
In this article
  1. format_size Start with the text
  2. settings Ten minutes in appearance
  3. At a glance
play_circle Video tip • Appearance

The appearance settings hold more than a dark mode switch. There is an accent colour, a message text size, the corner shape of bubbles, a night mode schedule, and the ability to install a theme somebody else made.

One of those is worth more than the rest put together: the text size. It is the setting that decides whether you can comfortably read the app, and almost nobody touches it.

What you will be able to do

  • check_circle Set the app's look, including text size, to suit your eyes.
  • check_circle Have dark mode arrive on its own at the right time.
  • check_circle Install and share themes.
  • check_circle Know which settings follow you to another device and which do not.
play_circle Official Telegram video short — global themes
1080p clip from @TelegramTips #305 • 0:15

Everything on this screen previews live behind real messages, which is the only honest way to judge it.

format_size Start with the text

The message text size slider changes how much of a conversation fits on screen and how hard your eyes work to read it. Larger is not only for people who need it — on a phone held at arm's length in bad light it is better for almost everybody, and the cost is a line or two of visible history.

The accent colour and the bubble shape are taste, and the preview behind real messages is the right way to choose them. The one thing to check is contrast: a pale accent on a light theme makes every link and every button harder to see, and you will not notice until you are outdoors.

Night mode is the setting worth automating. Tie it to your system, or to sunset, and it stops being something you do and starts being something that happens.

devices
Appearance stays on the device Unlike your chats, these settings do not follow the account. A new phone starts at the defaults, and your desktop has its own. A theme you made can be sent to yourself as a link, which is the only thing that survives the move.
palette Interactive

Four settings worth ten minutes

In order of how much difference they make.

accessibility The one that matters

check_circle Move the slider up a notch and read a real conversation. If it is easier, keep it; you have just made every minute in the app slightly better.
check_circle It is independent of your phone's system text size, so it can be larger here than elsewhere.
check_circle Worth doing on the desktop too, where the default assumes you are closer to the screen than you are.

Set the text size and automate night mode. Everything else on this screen is decoration.

settings Ten minutes in appearance

  1. Open the appearance settings Everything below is on that one screen.
  2. Raise the message text size a notch And read a real chat before deciding.
  3. Set night mode to automatic System or sunset, whichever suits you.
  4. Choose an accent with real contrast Checking it in both modes.
  5. Look at the live preview, not the swatches It is showing you the actual result.
  6. Send your theme link to Saved Messages So the next device is one tap away.
menu_book
Part of the beginner curriculum Step 22 — Automatic night mode and dynamic themes

This page is the settings screen. The curriculum step goes further into the automation and the sharing: scheduling by sunset or ambient light, building a theme properly, and distributing one to other people.

Summary

At a glance

  1. 1Look and text size

    Adjust theme and text size in Chat Settings.

  2. 2Auto dark mode

    Let dark mode switch on by schedule or system.

  3. 3Per device

    Appearance settings stay on each device.

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