Kexu
Kexu is developed and operated by Wuxi keyou Technology Co., Ltd. (keyou Tech). The official site is keyou.cc — a personal digital life system that helps you learn, work, and live with order.
About kexu
kexu is a learning, note-taking, organizing and life-management client for individual users. Built around study materials, personal records, digital assets and daily life management, it provides a unified entry point with local-first data management. It includes Quick Notes, Video Learning, Audio Transcription, Mind Map, Daily Records, Image Editor, Local Music, Outfit Manager, Text Collection, Image Collection, Quick Keyboard and LAN Transfer.
Make learning, work and life more organized

Quick Notes
- Text, images, audio, video, documents and links in one note
- Four-level auto headings with one-tap outline and index
- Smart paste recognizes tables, formulas and code; AI content keeps Markdown
- One-tap PDF parse; export to PDF, DOCX or long image

Video Learning
- Import local videos and study at 0.5x–2.0x speed
- Bookmark key moments and jump back by time
- Capture frames and clips, write them straight into notes
- Picture-in-picture / floating playback while you note

Mind Board
- Infinite canvas with free move, zoom and connectors
- Text and image cards, up to 60 per canvas
- One-tap note-to-card conversion, export canvas as PNG
- Record a narrated walkthrough video while explaining

Daily Records
- Daily photos, text and location records
- Grid and calendar views to review
- One-tap yearly summary book
- Timed reminders to relive your moments

Image Editor
- Batch crop, watermark and background removal
- Stitch multiple images into a long image or use templates
- Multi-layer image compositing
- 9-grid slicing for easy sharing

Local Music
- Music library auto-organized by artist
- LRC scrolling lyrics
- Loudness normalization for consistent volume
- Vinyl mode and custom player backgrounds

Outfit Manager
- Manage a wardrobe by category, color and season
- Smart daily outfit recommendations
- Outfit collages to export and share
- Usage frequency and idle-day stats

Transcribe
- Record in-app or import audio
- Transcribe in 9 languages with streaming output
- Extract audio clips into notes
- Tap timestamps to listen back

Text Collection
- Organize scattered copied text by category
- Add supplements, edit and move items
- One-tap TXT backup export
- Auto-collect with the Quick Keyboard

Image Collection
- Centrally import local image assets
- Browse and view by category
- Manage and export in batch

Quick Keyboard
- Insert saved text into any input field
- Automatically collect copied content into kexu
- Works on iOS, Android, and HarmonyOS