Chaptotek version history - 18 versions
Chaptotek by Dimitry Polivaev
Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 1.5.1
Released Dec 16, 2025 - 150.15 KBWorks with firefox 58.0 and laterTranscript extraction now reads YouTube’s updated timestamp markup, avoids blank “()” lines, and stops with a clear “no timestamps available.” message when most timestamps are missing.Source code released under GNU General Public License v3.0 only
Older versions
Version 1.5.0
Released Dec 12, 2025 - 149.94 KBWorks with firefox 58.0 and laterTranscript extraction now uses the native YouTube workflow: the extension briefly opens the transcript panel, reads the rendered text, and closes it again, so Firefox always pull transcripts without relying on private YouTube APIs.Source code released under GNU General Public License v3.0 only
Version 1.4.7
Released Nov 21, 2025 - 150.41 KBWorks with firefox 58.0 and laterImprove prompt to always include timecode 00:00Source code released under GNU General Public License v3.0 only
Version 1.4.6
Released Nov 12, 2025 - 150.35 KBWorks with firefox 58.0 and laterFix chatSource code released under GNU General Public License v3.0 only
Version 1.4.5
Released Nov 9, 2025 - 150.55 KBWorks with firefox 58.0 and laterEliminated intermittent “Session not found” chat error after background restart.Source code released under GNU General Public License v3.0 only
Version 1.4.4
Released Nov 8, 2025 - 149.38 KBWorks with firefox 58.0 and laterRenamed to "Chaptotek"Source code released under GNU General Public License v3.0 only
Version 1.4.3
Released Sep 3, 2025 - 149.46 KBWorks with firefox 58.0 and later- Support for YouTube live videos (
youtube.com/live/...). - Editable instruction name field in the popup header.
- Model picker shows price information in tokens per 0.01$
- Interactive chat interface for follow-up questions about generated chapters
- Complete conversation history tracking with AI model responses
- Token usage tracking showing cumulative input/output tokens across entire conversation
Source code released under GNU General Public License v3.0 only
- Support for YouTube live videos (
Version 1.3.20
Released Aug 15, 2025 - 145.65 KBWorks with firefox 58.0 and laterSource code released under GNU General Public License v3.0 only
Version 1.3.19
Released Aug 15, 2025 - 145.45 KBWorks with firefox 58.0 and later- Settings loss bug where API keys and language preferences were lost when modifying instruction history limit
- Options page redesigned with single SAVE button for cleaner user experience
Source code released under GNU General Public License v3.0 only
Version 1.3.18
Released Aug 14, 2025 - 142.36 KBWorks with firefox 58.0 and laterSource code released under GNU General Public License v3.0 only
Version 1.3.17
Released Aug 13, 2025 - 142.38 KBWorks with firefox 58.0 and laterFixed
- Model selection routing bug where OpenRouter failed for Gemini modelsSource code released under GNU General Public License v3.0 only
Version 1.3.16
Released Aug 9, 2025 - 142.14 KBWorks with firefox 58.0 and laterSource code released under GNU General Public License v3.0 only
Version 1.3.15
Released Aug 8, 2025 - 141.63 KBWorks with firefox 58.0 and laterSource code released under GNU General Public License v3.0 only
Version 1.3.14
Released Aug 8, 2025 - 141.96 KBWorks with firefox 58.0 and later- Language selector in options to override browser language settings
- Localized disclaimer in generated chapters showing extension name and AI model used
- Clickable "Video Chapters Generator" link in disclaimer leading to project website
Source code released under GNU General Public License v3.0 only
Version 1.3.13
Released Aug 8, 2025 - 137.72 KBWorks with firefox 58.0 and laterFixed race condition in instruction name editing that could cause data loss when rapidly switching between different namesSource code released under GNU General Public License v3.0 only
Version 1.3.12
Released Aug 8, 2025 - 137.6 KBWorks with firefox 58.0 and laterEdit instruction names in the historySource code released under GNU General Public License v3.0 only
Version 1.3.11
Released Aug 5, 2025 - 134.47 KBWorks with firefox 58.0 and laterSource code released under GNU General Public License v3.0 only
Version 1.3.9
Released Aug 1, 2025 - 131.6 KBWorks with firefox 58.0 and laterSource code released under GNU General Public License v3.0 only