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tellatv-downloader

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TellaTV Downloader (Browser Extension)

TellaTV 下载器（浏览器扩展）

Download Tella videos, screen recordings, and presentations as MP4 files from Tella pages and supported embeds.
TellaTV Downloader is a browser extension built for people who want a simpler way to save Tella videos for offline access. It works on direct Tella pages and supported embedded Tella players, giving you a browser-first workflow for detecting the video, choosing the source that is available, and exporting an MP4 file you can replay later.
  • Save Tella videos and screen recordings as MP4 files
  • Download supported Tella embeds from third-party websites
  • Keep local copies of presentations, demos, and walkthroughs
  • Use in-page controls or the extension popup for fast access
  • Replay downloaded videos offline on any standard media player
可从Tella页面和受支持的嵌入内容中，将Tella视频、屏幕录制内容和演示文稿下载为MP4文件。
TellaTV 下载器是一款浏览器扩展，专为想要以更简便的方式保存Tella视频以供离线访问的用户打造。它支持直接访问Tella页面和受支持的嵌入式Tella播放器，提供浏览器优先的工作流，可检测视频、选择可用的视频源，并导出可供后续回放的MP4文件。
  • 将Tella视频和屏幕录制内容保存为MP4文件
  • 从第三方网站下载受支持的Tella嵌入内容
  • 本地留存演示文稿、演示视频和操作指引视频
  • 可使用页内控件或扩展弹窗快速访问功能
  • 可在任意标准媒体播放器上离线回放下载的视频

Links

链接

Preview

预览

TellaTV Downloader workflow preview
TellaTV 下载器工作流预览

Table of Contents

目录

Why TellaTV Downloader

为什么选择TellaTV下载器

Tella makes it easy to publish polished screen recordings and presentations, but viewers do not always get a simple built-in download option. Videos are served through streaming playback, which means right-click save workflows do not help, and generic downloader tools often fail to detect Tella embeds reliably.
TellaTV Downloader is built specifically for that workflow. It focuses on Tella pages and supported embedded players, detects the available video stream in your browser session, and gives you a cleaner way to save accessible content locally without using desktop recording tools.
Tella让发布精美的屏幕录制内容和演示文稿变得十分简单，但观众并不总能获得简便的内置下载选项。视频通过流媒体播放提供，这意味着右键保存的方式行不通，通用下载工具通常也无法可靠检测到Tella嵌入内容。
TellaTV下载器就是专门为这类场景打造的。它聚焦于Tella页面和受支持的嵌入式播放器，可在你的浏览器会话中检测可用的视频流，提供更简洁的方式将可访问内容保存到本地，无需使用桌面录制工具。

Features

功能特性

  • Video detection for direct Tella pages and supported embeds
  • In-page download controls on detected Tella players
  • Popup workflow for reviewing and downloading the current video
  • MP4 output for easier playback and transfer
  • Download support for screen recordings, presentations, demos, and walkthroughs
  • Browser-based workflow without desktop recording software
  • Progress tracking during active downloads
  • Cross-browser support for Chrome, Edge, Brave, Opera, Firefox, Whale, and Yandex
  • 支持直接Tella页面和受支持嵌入内容的视频检测
  • 检测到Tella播放器时会提供页内下载控件
  • 可通过弹窗工作流查看和下载当前视频
  • 输出MP4格式，便于播放和传输
  • 支持下载屏幕录制内容、演示文稿、演示视频和操作指引视频
  • 基于浏览器的工作流，无需桌面录制软件
  • 下载过程中支持进度追踪
  • 跨浏览器支持Chrome、Edge、Brave、Opera、Firefox、Whale和Yandex

How It Works

工作原理

  1. Install the extension from the latest release.
  2. Open a Tella page or a website with an embedded Tella video.
  3. Start playback so the extension can detect the stream.
  4. Use the on-page control or the extension popup.
  5. Download the video and save the final MP4 file locally.
  1. 从最新版本安装扩展
  2. 打开Tella页面或包含嵌入式Tella视频的网站
  3. 开始播放视频，让扩展可以检测到流
  4. 使用页内控件或扩展弹窗操作
  5. 下载视频并将最终的MP4文件保存到本地

Step-by-Step Tutorial: How to Download Videos from Tella

分步教程：如何从Tella下载视频

  1. Install TellaTV Downloader from the latest GitHub release.
  2. Open the Tella page or supported embedded Tella player you want to save.
  3. Let the player load fully and press play.
  4. Click the extension button or the download control shown on the player.
  5. Start the download once the video is detected.
  6. Wait for the MP4 export to complete.
  7. Open the saved file from your Downloads folder.
  1. 从最新的GitHub版本安装TellaTV下载器
  2. 打开你想要保存的Tella页面或受支持的嵌入式Tella播放器
  3. 等待播放器完全加载后点击播放
  4. 点击扩展按钮或播放器上显示的下载控件
  5. 视频检测完成后启动下载
  6. 等待MP4导出完成
  7. 从你的下载文件夹中打开保存的文件

Supported Formats

支持格式

  • Input: Tella-hosted videos
  • Input: Supported embedded Tella players
  • Output: MP4
Saved files use MP4 so they are easier to replay on standard media players, move between devices, or archive for later viewing.
  • 输入：Tella托管的视频
  • 输入：受支持的嵌入式Tella播放器
  • 输出：MP4
保存的文件采用MP4格式，便于在标准媒体播放器上回放、在设备间传输或归档以供后续查看。

Who It's For

适用人群

  • Tella creators who want local copies of their own videos
  • Teams archiving recorded presentations and walkthroughs
  • Professionals saving onboarding, training, or demo videos for offline reference
  • Users downloading Tella videos embedded in course platforms, blogs, or docs
  • Anyone who wants a browser-based workflow instead of screen recording software
  • 想要留存自己作品本地副本的Tella创作者
  • 需要归档录制的演示文稿和操作指引视频的团队
  • 保存入职、培训或演示视频以供离线参考的职场人士
  • 下载嵌入在课程平台、博客或文档中的Tella视频的用户
  • 想要使用基于浏览器的工作流替代屏幕录制软件的所有用户

Common Use Cases

常见使用场景

  • Save a Tella screen recording for offline access
  • Download a presentation or walkthrough shared with your team
  • Keep local copies of Tella videos before account or plan changes
  • Archive embedded Tella videos from a course page or documentation site
  • Replay Tella-hosted demos without needing a live internet connection
  • 保存Tella屏幕录制内容以供离线访问
  • 下载共享给团队的演示文稿或操作指引视频
  • 在账户或套餐变更前留存Tella视频的本地副本
  • 归档课程页面或文档站点中的嵌入式Tella视频
  • 无需互联网连接即可回放Tella托管的演示视频

Troubleshooting

问题排查

The extension is not detecting the video
Press play first and wait a few seconds so the stream has time to initialize.
The player button is missing
Open the extension popup directly. Some supported embeds work better through the popup UI.
The video is embedded on another website
Wait for the embed to finish loading before opening the extension.
The download did not start
Refresh the page, play the video again, and retry once the player is fully loaded.
The page requires access or login
The extension only works on videos you can already access in your current browser session.
扩展未检测到视频
先点击播放，等待几秒钟让流完成初始化。
播放器按钮缺失
直接打开扩展弹窗即可。部分受支持的嵌入内容通过弹窗UI使用效果更好。
视频嵌入在其他网站上
打开扩展前等待嵌入内容加载完成。
下载未启动
刷新页面，重新播放视频，等待播放器完全加载后重试。
页面需要访问权限或登录
扩展仅支持你在当前浏览器会话中已经有权访问的视频。

Security & Scope

安全与权限范围

  • Operates only on the page the user intentionally opens in the active browser tab
  • Detects supported playback sources only for user-initiated downloads or exports
  • Does not execute page instructions, shell commands, or arbitrary scripts from page content
  • Does not follow unrelated links or perform actions outside the active workflow
  • Limits support to the named platform, approved embedded contexts, and user-authorized sessions when required
  • 仅在用户主动在活动浏览器标签页打开的页面上运行
  • 仅为用户发起的下载或导出检测受支持的播放源
  • 不会执行页面内容中的页面指令、shell命令或任意脚本
  • 不会访问无关链接或执行当前工作流之外的操作
  • 仅支持指定平台、已批准的嵌入场景，以及必要时用户授权的会话

Trial & Access

试用与访问权限

  • Includes 3 free downloads so you can test the workflow first
  • Email sign-in uses secure one-time password verification
  • No credit card required for the trial
  • Unlimited downloads are available with a paid license
Start here: https://serp.ly/tellatv-downloader
  • 包含3次免费下载额度，你可以先测试工作流
  • 邮箱登录采用安全的一次性密码验证
  • 试用无需信用卡
  • 付费许可证可解锁无限下载
从此处开始：https://serp.ly/tellatv-downloader

Installation Instructions

安装说明

  1. Open the latest release page: https://github.com/serpapps/tellatv-downloader/releases/latest
  2. Download the extension build for your browser.
  3. Install the extension.
  4. Open a Tella page or supported embed.
  5. Use the extension controls to start downloading the video.
  1. 打开最新版本页面： https://github.com/serpapps/tellatv-downloader/releases/latest
  2. 下载对应浏览器的扩展安装包
  3. 安装扩展
  4. 打开Tella页面或受支持的嵌入内容
  5. 使用扩展控件开始下载视频

FAQ

常见问题

What kinds of Tella videos can I download?
Screen recordings, presentations, demos, and walkthrough videos hosted on Tella or shown through supported embedded Tella players.
Do I need to press play first?
Yes. Tella streams are typically only exposed after playback begins.
What file format do downloads use?
Videos are saved as MP4 files.
Does it work on embedded Tella players?
Yes. The extension supports Tella embeds on supported third-party pages.
Where are videos saved?
They are saved to your default Downloads location.
Do I need extra software?
No. Everything runs through the browser extension.
我可以下载哪些类型的Tella视频？
托管在Tella上或通过受支持的嵌入式Tella播放器展示的屏幕录制内容、演示文稿、演示视频和操作指引视频。
我需要先点击播放吗？
是的。Tella流通常仅在播放开始后才会暴露。
下载的文件采用什么格式？
视频保存为MP4文件。
它支持嵌入式Tella播放器吗？
是的。扩展支持受支持的第三方页面上的Tella嵌入内容。
视频保存在哪里？
保存到你的默认下载位置。
我需要额外的软件吗？
不需要。所有功能都通过浏览器扩展运行。

License

许可证

This repository is distributed under the proprietary SERP Apps license in the LICENSE file. Review that file before copying, modifying, or redistributing any part of this project.
本仓库按照LICENSE文件中的专有SERP Apps许可证分发。在复制、修改或重新分发本项目的任何部分之前，请查阅该文件。

Notes

注意事项

  • Only download content you own or have explicit permission to save
  • The extension only works on videos you can already access in your browser session
  • Video quality depends on the source stream Tella exposes for that video
  • An internet connection is required for the initial download
  • 仅下载你拥有或已获得明确保存许可的内容
  • 扩展仅支持你在当前浏览器会话中已经有权访问的视频
  • 视频质量取决于Tella为该视频提供的源流质量
  • 首次下载需要互联网连接

About Tella

关于Tella

Tella is a screen recording and presentation platform used for demos, internal walkthroughs, tutorials, and creator content. While it works well for browser-based playback and sharing, it does not always offer a clean universal export flow for viewers. TellaTV Downloader simplifies that workflow for users who need a local MP4 copy of accessible Tella content.
Tella是一个屏幕录制和演示平台，用于制作演示视频、内部操作指引、教程和创作者内容。虽然它很适合基于浏览器的播放和分享，但并不总能为观众提供简洁通用的导出流程。TellaTV下载器为需要获取可访问Tella内容本地MP4副本的用户简化了这一流程。