Session to Session+JSON
Turns native Telegram session files into Session+JSON packages compatible with Telegram Prime style software and adjacent clients.
A focused converter for upgrading standard Telegram sessions into structured Session+JSON output suited for downstream tools and controlled client environments.
Latest builds and release notes
Track the latest stable version, review recent changes, and download the build you need by language.
v.3.4
β Added option to set account’s language for new session based on the account’s phone number.
β Improved proxy verification process.
v.3.3
– Added option to choose dedicated language when creating new account’s session.
v.3.2
Fixed Pyrogram session type input when converting in offline mode.
v.3.1
Fixed JSON file creation for the new session.
v.3.0
Added option in the advanced settings to save resulted sessions as the Pyrogram session type.
Updated device lists and application versions for all categories.
Minor UI changes and improvements.
v.2.9
Fixed old layer compatibility error.
Added automatic language set based on the session’s phone number.
v.2.8
All old libraries have been completely removed from the account connection logic, resulting in an improved connection process.
Proxy checking process has been enhanced.
Some UI settings and bugs have been fixed.
Added handling for βfrozenβ account errors.
Added option to save either a new Telethon session or maintain backward compatibility with the old one. Current layer β 221.
Added compatibility with the pairs β16623:8c9dbfe58437d1739540f5d53c72ae4bβ and β611335:d524b414d21f4d37f08684c1df41ac9cβ.
Added task timeout setting, allowing users to specify the wait time for starting tasks and avoid long waits in case of stuck accounts. Default β 30 seconds.
Added setting for thread startup delay.
Note: Versions below 2.8 will no longer be supported after March 1, 2026. Please ensure you download the latest version for maximum performance.
v.2.7
History of Changes:
v.2.7
19.03.2025
Added function to manually set the number of connection attempts and wait delay for accounts.
Updated and expanded device and app version lists for all categories.
Improved mechanism for identifying dead (broken) accounts.
Fixed and enhanced task stop process.
v.2.6
28.12.2024
Fixed error in operation when using custom api:hash.
Updated app_vers list for all categories.
v.2.5
08.12.2024
Fixed error in converter log.
Updated device and app version lists for all categories.
v.2.4
26.11.2024
Added option to use account input type session+json, i.e., effectively a reauthorization function.
Added option to disable other sessions on account during conversion.
Added option to set custom ‘tz_offset’ parameter.
Accounts that failed to connect due to timeout are now distributed into a separate folder.
Accounts with incorrect 2FA are now distributed into a separate folder.
Updated and expanded device and app version lists for all categories.
Improved session connection process for higher account stability.
Minor UI changes.
v.2.3
25.09.2024
Improved account connection mechanism.
Expanded api:hash selection for all devices, separately for old and new sessions.
Added sorting of accounts that failed to connect due to timeout into a separate folder.
Fixed some translation errors.
v.2.2
21.09.2024
Fixed error when working in offline mode.
Added option to choose different official api:hash for auto-modes for both new and old sessions.
v.2.1
17.09.2024
Fixed error when working in offline mode.
Updated and expanded device and app version lists for all categories.
v.2.0
08.09.2024
Added support for Pyrogram format.
Added original session name to the log.
Added automatic three retry attempts on failed session connection.
Restructured and improved session connection process for better account survivability.
Updated and expanded device lists for all categories.
Minor UI changes.
Other minor improvements.
v.1.9
19.05.2024
Added multi-threading support.
Added function to create a new session for an account.
Added option to restore previous settings.
Added update check function.
Updated Telegram app versions, as well as devices for all categories.
Updated connection engine for accounts, improving stability after conversion.
Fixed minor errors during account connection.
UI improvements and changes.
v.1.8
26.04.2023
Full translation to Russian.
Updated app_vers list.
Minor UI changes.
Improved error handling during connection to broken sessions.
v.1.7
28.02.2023
Fixed error in .json file generation in offline mode.
v.1.6
16.02.2023
Added new functionality to check session online or work without checking.
Support for HTTP or SOCKS5 proxies.
Option to check without proxy.
Significant UI changes.
v.1.5
03.01.2023
Rewritten .json file generation process. No longer dependent on loading large numbers of sessions at once.
Improved program log export.
Minor UI changes.
v.1.4
19.11.2022
Fixed minor but significant errors in 2FA bet in .json.
v.1.3
29.09.2022
Improved Android-X device list.
Minor UI changes.
v.1.2
27.09.2022
Significant changes in .json file generation.
Added automatic insertion into .json:
Android devices
Android-X devices
iPhone devices
Desktop devices.
v1.1
26.09.2022
Fixed minor errors in 2FA bet in .json.
v.1.0
23.09.2022
First release.
Common route names for this converter
This converter covers the Session -> Session+JSON workflow and related route phrases used in search and documentation.