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S2TD: build TData from Session and Session+JSON

A tool for preparing Telegram Desktop TData from session formats with structure control, logs and backups.

S2TD ConverterSession / Session+JSON → TData
Input formats
SessionSession+JSON
Output formats
TDataSession+JSON
StrengthReliable source processing
When to chooseMigration and controlled export
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What this tool solves

What this tool solves

  • Accepts declared source formats and checks the structure before running.
  • Supports cold conversion and legacy compatibility.
  • Handles 2FA, proxy mapping, sorting and backups for batches.
  • Keeps logs, separates incorrect results and controls retries.
Technical advantages

Technical advantages

  • Multi-language support: RU / EN / ZH
  • Batch mode and processing queue
  • Source data backup
  • Legacy layer compatibility
Recent builds and release notes

Recent builds and release notes

Check the latest stable build, review changes and download the needed language build.

v.2.5March 22, 2026

Updated validation, sorting and backup scenarios for more stable batch work.

ENS2TD_Converter_v.2.5_EN.exeRUS2TD_Converter_v.2.5_RU.exeCNS2TD_Converter_v.2.5_CN.exe
v.2.5March 22, 2026Download
v.1.1March 22, 2026Download
v.1.2March 22, 2026Download
Common route names for this converter

Common route names for this converter

s2td convertersession-to-session+json-to-tdatatelegram account convertersession json convertertdata converter