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Original

English
🇨🇳

Translation

Chinese

抖音无水印视频下载和文案提取

Watermark-Free Douyin Video Download and Transcript Extraction

从抖音分享链接获取无水印视频下载链接, 下载视频, 并使用语音识别提取视频中的文案, 自动保存到文件.
Retrieve watermark-free video download links from Douyin share links, download videos, and extract text content from videos via speech recognition, then automatically save to files.

功能概述

Feature Overview

  • 获取下载链接: 从抖音分享链接解析出无水印视频的直接下载地址 (无需 API 密钥)
  • 下载视频: 将无水印视频下载到本地指定目录
  • 提取文案: 通过语音识别从视频中提取文字内容 (需要硅基流动 API 密钥)
  • 自动保存: 每个视频的文案自动保存到独立文件夹 (视频ID为文件夹名)
  • Get Download Link: Parse the direct download address of watermark-free videos from Douyin share links (no API key required)
  • Download Video: Download watermark-free videos to a specified local directory
  • Extract Transcript: Extract text content from videos through speech recognition (requires SiliconFlow API key)
  • Auto-Save: Transcripts of each video are automatically saved to an independent folder (folder name is the video ID)

环境要求

Environment Requirements

依赖安装

Dependency Installation

bash
pip install requests ffmpeg-python
bash
pip install requests ffmpeg-python

系统要求

System Requirements

  • FFmpeg 必须安装在系统中 (用于音视频处理)
  • macOS: 
    brew install ffmpeg
  • Ubuntu: 
    apt install ffmpeg
  • FFmpeg must be installed on the system (for audio and video processing)
  • macOS: 
    brew install ffmpeg
  • Ubuntu: 
    apt install ffmpeg

API 密钥配置 (仅文案提取需要)

API Key Configuration (Only required for transcript extraction)

文案提取功能使用硅基流动 API, 需要设置环境变量:
bash
export API_KEY="your-siliconflow-api-key"
获取 API 密钥: https://cloud.siliconflow.cn/
The transcript extraction function uses the SiliconFlow API, which requires setting an environment variable:
bash
export API_KEY="your-siliconflow-api-key"
Get API key: https://cloud.siliconflow.cn/

使用方法

Usage

方法一: 使用脚本 (推荐)

Method 1: Use the Script (Recommended)

bash
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bash
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获取视频信息和下载链接 (无需 API 密钥)

Get video information and download link (no API key required)

python douyin_downloader.py --link "抖音分享链接" --action info
python douyin_downloader.py --link "Douyin share link" --action info

下载视频到指定目录

Download video to specified directory

python douyin_downloader.py --link "抖音分享链接" --action download --output ./videos
python douyin_downloader.py --link "Douyin share link" --action download --output ./videos

提取视频文案并保存到文件 (需要 API_KEY 环境变量)

Extract video transcript and save to file (requires API_KEY environment variable)

python douyin_downloader.py --link "抖音分享链接" --action extract --output ./output
python douyin_downloader.py --link "Douyin share link" --action extract --output ./output

提取文案并同时保存视频

Extract transcript and save video at the same time

python douyin_downloader.py --link "抖音分享链接" --action extract --output ./output --save-video
python douyin_downloader.py --link "Douyin share link" --action extract --output ./output --save-video

安静模式 (减少输出)

Quiet mode (reduce output)

python douyin_downloader.py --link "抖音分享链接" --action extract --output ./output --quiet
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python douyin_downloader.py --link "Douyin share link" --action extract --output ./output --quiet
undefined

输出目录结构

Output Directory Structure

提取文案后, 每个视频会保存到独立文件夹:
output/
├── 7600361826030865707/      # 视频ID为文件夹名
│   └── transcript.md         # Markdown 格式文案文件
├── 7581044356631612699/
│   ├── transcript.md
│   └── 7581044356631612699.mp4  # 使用 --save-video 时保存
└── ...
After extracting transcripts, each video will be saved to an independent folder:
output/
├── 7600361826030865707/      # Folder name is video ID
│   └── transcript.md         # Markdown format transcript file
├── 7581044356631612699/
│   ├── transcript.md
│   └── 7581044356631612699.mp4  # Saved when using --save-video
└── ...

Markdown 文案格式

Markdown Transcript Format

markdown
undefined
markdown
undefined

视频标题

Video Title

属性值
视频ID
7600361826030865707
提取时间2026-01-30 14:19:00
下载链接点击下载
AttributeValue
Video ID
7600361826030865707
Extraction Time2026-01-30 14:19:00
Download LinkClick to download

文案内容

Transcript Content

(语音识别的文字内容)
undefined
(Speech recognition text content)
undefined

方法二: 在 Python 代码中调用

Method 2: Call in Python Code

python
from douyin_downloader import get_video_info, download_video, extract_text
python
from douyin_downloader import get_video_info, download_video, extract_text

获取视频信息

Get video information

info = get_video_info("抖音分享链接") print(f"视频ID: {info['video_id']}") print(f"标题: {info['title']}") print(f"下载链接: {info['url']}")
info = get_video_info("Douyin share link") print(f"Video ID: {info['video_id']}") print(f"Title: {info['title']}") print(f"Download Link: {info['url']}")

下载视频

Download video

video_path = download_video("抖音分享链接", output_dir="./videos")
video_path = download_video("Douyin share link", output_dir="./videos")

提取文案并保存到文件

Extract transcript and save to file

result = extract_text("抖音分享链接", output_dir="./output") print(f"文案已保存到: {result['output_path']}") print(result['text'])
undefined
result = extract_text("Douyin share link", output_dir="./output") print(f"Transcript saved to: {result['output_path']}") print(result['text'])
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工作流程

Workflow

获取视频信息

Get Video Information

  1. 解析抖音分享链接, 提取真实的视频 URL
  2. 模拟移动端请求获取页面数据
  3. 从页面 JSON 数据中提取无水印视频地址
  4. 返回视频 ID, 标题和下载链接
  1. Parse Douyin share link to extract the actual video URL
  2. Simulate mobile request to get page data
  3. Extract watermark-free video address from page JSON data
  4. Return video ID, title and download link

提取视频文案

Extract Video Transcript

  1. 解析分享链接获取视频信息
  2. 下载视频到临时目录
  3. 使用 FFmpeg 从视频中提取音频 (MP3 格式)
  4. 调用硅基流动 SenseVoice API 进行语音识别
  5. 清理临时文件, 返回识别的文本
  1. Parse share link to get video information
  2. Download video to temporary directory
  3. Use FFmpeg to extract audio from video (MP3 format)
  4. Call SiliconFlow SenseVoice API for speech recognition
  5. Clean up temporary files and return recognized text

常见问题

FAQs

无法解析链接

Failed to Parse Link

  • 确保链接是有效的抖音分享链接
  • 链接格式通常为 
    https://v.douyin.com/xxxxx/
    或完整的抖音视频 URL
  • Ensure the link is a valid Douyin share link
  • Link format is usually 
    https://v.douyin.com/xxxxx/
    or a full Douyin video URL

提取文案失败

Failed to Extract Transcript

  • 检查 
    API_KEY
    环境变量是否已设置
  • 确保 API 密钥有效且有足够的配额
  • 确保 FFmpeg 已正确安装
  • Check if the 
    API_KEY
    environment variable is set
  • Ensure the API key is valid and has sufficient quota
  • Ensure FFmpeg is installed correctly

下载速度慢

Slow Download Speed

  • 这取决于网络条件和视频大小
  • 脚本会显示下载进度
  • This depends on network conditions and video size
  • The script will display download progress

注意事项

Notes

  • 本工具仅供学习和研究使用
  • 使用时需遵守相关法律法规
  • 请勿用于任何侵犯版权或违法的目的
  • This tool is for learning and research purposes only
  • Comply with relevant laws and regulations when using
  • Do not use it for any copyright infringement or illegal purposes