Powerful Video Tools
for Everyone
Sum.pub offers a suite of professional tools: screen recording, video comparison, file transfer, and AI video editing. All tools run locally in your browser to protect your privacy.
Our Tools
Choose the video tool that fits your needs. All tools are free to use and process locally.
Long-time Recording
Long-time screen recording tool with ultra-low framerate. Tiny file size, minimal system impact. 10 hours of recording in just a few MBs. Perfect for extended video logging.
Video Compare
Synchronized dual video comparison tool. Side-by-side playback with multiple speed options. All processing done locally to protect your privacy.
Quick Transfer
Send files and text between devices instantly. Use a simple 4-digit code to connect. No files stored on server, fast and private cross-device transfer.
AI Video Editor
AI-powered video editing assistant. Describe your needs in natural language to process videos. Supports format conversion, trimming, compression, effects, and more.
More Tools Coming
Stay tuned for more video tools
Local Processing
All video processing is done in your browser. Files never leave your device.
Free to Use
All tools are completely free. No registration required, no usage limits.
Actively Updated
We continuously develop new tools to provide more video processing solutions.
About Sum.pub
Sum.pub is a platform focused on video tools. We are committed to providing users with simple, efficient, and privacy-focused video processing solutions.
Our tools include: Long-time Recording for extended screen recording, Video Compare for synchronized dual video comparison, Quick Transfer for instant cross-device file sharing, and AI Video Editor for editing videos through natural language descriptions.
All tools are built with modern web technologies and run locally in your browser, ensuring your video files never leave your device. More tools are in development, stay tuned.