OOneDiary · Listen to Your Inner World
A cross-platform multimedia diary designed for lifelong journaling
Capture every moment. Let your memories leave a trace.
Keywords: Local-first + Data ownership + Multimedia depth
✍️ Write Naturally · Simple and Effortless
Start instantly
No registration required. Works offline.
Local-first storage with automatic saving — your thoughts are never lost.
Multiple writing modes
Standard editor, Daily entry mode, Rich text, and Markdown — choose what fits your style.
True multimedia journaling
Add text (Rich Text / Markdown), photos, videos, audio, documents, and links between entries.
Voice-to-text, mixed layouts, and grid photo display make your memories more vivid.
Smart memory capture
Automatically records time, location, and weather.
When inserting photos, the app can read the original capture time and location and, with your confirmation, update the entry to reflect the real moment it happened.
AI chat content can be saved directly as a diary entry.
Designed for real life
Chat-style journaling with automatic daily grouping
Quick entry from home screen shortcuts
Backdate entries to fill in missed days
🔐 Secure & Organized · Built for Long-Term Use
Privacy first
Passcode & biometric lock
Offline backup and encrypted data transfer
Personalization
42 theme colors + dark mode
Custom fonts
Templates and customizable tags (with auto-tagging support)
Smart organization
Filter by photos, videos, audio, tags, or notebooks
Powerful search by keywords, date range (calendar view), or map
Statistics including streaks, heatmaps, media counts, and storage usage
Pin important entries for quick access
Data Ownership & Portability
Sync with major cloud services (Google Drive, WebDAV, OneDrive, Dropbox, etc.)
Import from Day One with ease
Batch export to PDF or Markdown for long-term archiving or printing
Your data belongs to you — not to a platform.
⏳ Revisit the Past · Reflect and Grow
“On This Day” memories
Timeline and calendar views
Map view of your life journey
Favorites and comments for reflection
Creative output
Export long images, PDF, or Markdown
Face-to-face diary exchange with friends and family
🤖 AI-Enhanced Memory
AI summaries, translation, and insights
AI-generated illustrations for your entries
Scan and import handwritten journals with AI
🌱 Designed for a Lifetime
Build a lasting journaling habit with reminders and seamless multi-platform access.
More than a diary — it also works as a lightweight notebook and memo tool.
Years from now, you can open it and see the full story of yourself.
website:https://app.onediary.net
email:develop@onediary.net