Express with emojis
Sometimes words aren't enough — or too much. Pick an emoji to capture your mood instantly.
🧘Minimal · Calming · Private
Capture your thoughts,
one line at a time
One Line Journal is a free browser extension for Chrome, Edge, and Firefox that lets you capture your thoughts, feelings, and moods one line at a time — directly from your browser toolbar. It requires no account, stores all data locally on your device, and works completely offline.
Free · No account needed · Works offline
Free
Forever
100%
Private & Offline
3
Browsers Supported
0
Data Collected
What is thought logging?
Thought logging is the practice of briefly recording your thoughts, feelings, or observations as they occur throughout the day. Unlike traditional journaling, thought logging focuses on short, frequent captures — often just a sentence or less — to build self-awareness without the pressure of writing long entries. Over time, a log of your thoughts reveals patterns in your mood, focus, and mental state.
Why track your mood daily?
Daily mood tracking helps you understand what situations, people, or habits affect how you feel. Research shows that even a brief daily check-in — writing one line or picking an emoji — can reduce anxiety, improve emotional regulation, and increase self-awareness over time. The key is consistency, not depth. A one-line entry every day is more valuable than a detailed entry once a week.
Everything you need, nothing you don't
Designed with simplicity and mental wellness in mind. Low friction journaling that actually sticks.
Daily streak tracking
Build a journaling habit with streak tracking and weekly/monthly stats.
Smart search & hashtags
Use #tags to categorize thoughts. Search across all your entries instantly.
100% local & private
No accounts, no servers, no tracking. Everything stays on your device.
Light & dark themes
Easy on your eyes at any time of day with automatic theme support.
Export your entries
Download your journal as a TXT file for any date range. Your data, your control.
Capture mood without words 😊
Up and running in seconds
No configuration, no sign-up. Just install and start writing.
1
Install the extension
Click the install button below and add it to your browser in one click.
2
Open with a shortcut
Press Ctrl+Shift+J (or Cmd+Shift+J on Mac) or click the icon in your toolbar.
3
Write one line
Type your thought, pick an emoji, or both. Press Enter to save. Done.
Your data, always yours
One Line Journal is built on a simple promise — your thoughts never leave your device. No accounts, no sync to the cloud, no analytics on your entries.
- ✓All data stored locally in browser storage
- ✓Export any date range as a TXT file
- ✓No internet connection required
- ✓Uninstall anytime — export first to keep your data
Export as TXT · Choose any date range
Frequently asked questions
Start journaling today
Free forever. No account. No cloud. Just one line a day.
A product by AceToolz