S2TDroid Pro icon

S2TDroid Pro

Yu-Chen Lin
Science & Education
Version
1.10.0
Size
1.6 MB
Requires
Android API 21+
4.2 / 5 · 2,888 ratings 3 downloads

Updated Sep 22, 2026

Quick answer

Transform between Simplified Chinese and Traditional Chinese

F-Droid repository metadata

An open source android app for transforming Simplified Chinese to Traditional Chinese and vice versa.

Highlights

  1. Light weight
  2. Auto detect almost everything
  3. Support GBK, UTF-8, BIG5 and Unicode encoding
  4. Very fast
  5. Don't need internet
  6. Transformation bubble, you can transform anywhere!

What’s new

How to install

  1. Download the APK from the button at the top of this page.
  2. Allow “Install unknown apps” for your browser or file manager only, not for every app.
  3. Open the downloaded file and confirm the installation.
  4. If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.

Data safety

  • Every file is checked against its published SHA-256 before it is listed.
  • Files are scanned for malware on every update.
  • The permissions each app requests are listed on its own page.
  • Read the full safety policy for how we test, flag, and delist files.

Frequently asked questions

What is S2TDroid Pro?
Transform between Simplified Chinese and Traditional Chinese
Who develops S2TDroid Pro?
S2TDroid Pro is developed by Yu-Chen Lin.
Which Android version does S2TDroid Pro require?
S2TDroid Pro requires Android API 21 or later.
What is the current version of S2TDroid Pro?
The synchronized F-Droid version is 1.10.0.
Which license does S2TDroid Pro use?
The signed F-Droid metadata lists GPL-3.0-or-later.
Where is the source code for S2TDroid Pro?
https://github.com/npes87184/S2TDroid

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