Gemini works, but ChatGPT is broken. I never used (and won't use anymore due to ethical issues) other mainstream platforms, so I can't say anything about them.
Btw, to save full chat, you have to scroll all the way up in Gemini, until it loads everything.

I cannot Export ChatGpt session in Windows 10, Firefox latest version, disable all block on all domain in site *.saveai.net

Error: 未找到可导出的内容
P4 moz-extension://a688672a-61af-4103-9265-a79a45c9405b/content-scripts/content.js:408
content.js:786:3924
main moz-extension://a688672a-61af-4103-9265-a79a45c9405b/content-scripts/content.js:786

works perfect!

Amazing add-on! Quickly exports a single chat history to a ton of formats (Markdown is my favorite, but PDF is very handy too) A must have to archive import chat sessions without the rigamarole of Google Takeout.

Quick, Easy and free, Does everything it says effortlessly.

for me (Gemini user) is perfect

It still doesn't work on Grok.com! so for now 3 instead of 5.
Please fix it! It's the best extension for exporting chats, but it needs fixing.

it works perfectly for Gemini and ChatGPT (I did not try others), but I would like for it to work on Lumo by Proton, a privacy save AI.

I've been using this extension on multiple browsers for months. It's the only reliable extension for extracting full logs in various formats. Thanks a ton for your hard work, Colin

It does work with ChatGPT and Gemini, but refuses to work with Grok (only saying "Please go to the chat page"). The Chrome version works correctly, so maybe it's not properly tested with Firefox.

Why hasn't my extension saved to the Notion button?

Works great! Has been such an asset to me. Free as well! Thank you to the author

"Access your data for all websites" - wtf?
watermarks PDFs...

A simple and pure plugin has helped me a lot. However, the excessive permissions required are indeed an issue. The author might consider open-sourcing it on GitHub to reassure users. Finally, I hope the author can consider supporting Qwen's website export functionality.
一个简单而纯粹的插件，帮了我很多
不过所需权限过多确实是个问题，作者可以考虑在GitHub上开源来让用户放心
最后希望作者能考虑支持通义千问会话的网站导出功能。

Nice extension. Are this is same with that one in Chrome(ai-exporter-save-chatgpt)? And could you keep update with Chrome one? Because there is some issues when export DeepSeek chat with this one, while not with Chrome one.

does what it says, can export full chats as a pdf.
(just make sure you scroll fully up and down so its all loaded)

useful extension, works really nicely with gemini texts except maybe images sent in the text.
requires a lot of permissions but other than that pretty useful!! happy w it