FJ Flow visualizes IME status at your cursor, keeps hands on the home row via Space Shift & multi-layer key extension, and eliminates reaching for arrows, Enter, or numpad.
Click here and start typing in the simulator...
Notice how the indicator stays right next to your cursor.
Press Space + ";" to insert a newline without reaching for the Enter key.
Hold Space and use "h/j/k/l" for Vim navigation and "f/g" for Backspace/Delete.
Try clicking the "Row Highlight" button to focus on the active row!
Eliminate reaching for your mouse hundreds of times a day. Press Space + m to overlay 2-character hint badges on every button and link, then jump and click in just 2 keystrokes.
Space + m overlays 2-character hints; type aa–zz to jump and click targets instantly.Buttons (cyan), inputs (amber), links (royal blue), and tabs are color-coded automatically. Identify what to click at a single glance.
Type Space + hi for inputs only or Space + hb for buttons only. Quickly target dense, complex enterprise apps.
Screen-edge loupe grid lets you pinpoint minute links or checkboxes without ever touching your physical mouse.
More than an IME indicator—a unified system to complete all PC interactions directly from the home row.
Problem: Reaching for arrow keys, Enter, or symbols breaks home row posture and strains wrists.
Operation: Hold Space for Vim navigation (hjkl), Space+; for Enter, and hold keys for symbols with HUD support.
Benefit: Minimizes hand displacement and keeps typing speed aligned with your thoughts.
View Key Extension Manual →
Problem: Switching between typing and mice constantly interrupts focus and workflow.
Operation: Use UI Hints for 2-stroke direct clicks, Mouse Circle for directional jumps, and SpaceMouse drag.
Benefit: Perform all screen and window interactions without taking your hands off the keyboard.
View Mouse Circle Guide →
Problem: Unnoticed IME state causes mistyping, and active windows get lost across multiple monitors.
Operation: Displays IME status right next to text cursor; subtly glows around active window borders.
Benefit: Eliminates eye strain from looking at screen corners and preserves deep focus.
View Indicator Specs →
Problem: Losing rows during long-text proofreading, or squinting at tiny fonts on 4K displays.
Operation: Dims surrounding screen areas to emphasize active line; press F9 to magnify cursor area.
Benefit: Prevents line skipping and alleviates visual fatigue during reading and coding.
View Highlight & Zoom Specs →
Problem: Complicated configuration files make customizing utilities difficult and time-consuming.
Operation: Intuitive GUI panel with built-in presets (Minimal, Visual Aid, Presentation, Monitor).
Benefit: Tailor the utility to your exact preferences in seconds, from beginner to power user.
View Settings Guide →
Problem: Key modifier tools often drop strokes, invert characters, or leak input telemetry.
Operation: Custom 4-state Finite State Machine engine prevents inversion; zero network connections.
Benefit: Combines rock-solid key registration with complete offline privacy and trust.
View FSM Architecture Specs →Discover how professionals use FJ Flow to enhance their daily workflow.
Input cursors are easy to lose track of on high-resolution screens. This software dims everything except the active line with the F8 key, reducing eye strain.
Read More →Reaching for arrows or Enter strains your wrists. With Space Shift and Key Extension, execute all navigation and editing directly from the home row.
Read More →Prevent typing in the wrong input mode and having to retype. This software displays the input mode right next to your cursor, reducing unnecessary mistakes.
Read More →When typing consecutive uppercase letters, you normally have to hold down the Shift key. This software maintains uppercase input with a single, short press of the Shift key.
Read More →Comfort in various writing and coding scenarios
Avoid syntax errors caused by accidental full-width input. Recognize active input mode directly at the text cursor.
Use Space Shift for arrows (hjkl), Enter (Space+;), Backspace/Delete (f/g), plain-text paste, and instant macro/repeat without hand strain.
Highlight the current line to prevent skipping rows. Check layout and spelling without distraction.
Magnify the area around the text cursor at the screen edge. Type comfortably while maintaining a healthy posture.
Use all features immediately with intuitive shortcuts.
Run the app to start. Double-tap the Ctrl key to temporarily suspend or resume.
Tap Shift, Ctrl, Alt, or Win once to lock the modifier key. Support One-Shot Shift to automatically release lock after sending one key.
Hold Space for Vim navigation (hjkl), Enter (Space+;), delete (f/g), and window centering (s;). Features hold-for-symbols and instant macro/repeat.
Press F9 to magnify the cursor area at the edge of the screen. Type comfortably with a healthy posture.
Stay updated with the latest releases, tips, and configuration guides.
FJ Flow has significantly overhauled its Key Extension system. Discover the new deterministic 4-state FSM engine, Space+; for Enter, hold-for-symbols, and enhanced instant macro & repeat capabilities.
Read Article →FJ Flow (formerly CaretIME) has received a major update. By fully transitioning to AutoHotkey v2, stability has dramatically improved, and focus-assisting features such as the zoom function and line highlighting have been significantly enhanced.
Read Article →FJ Flow operates safely and privately
No external network connection is made. Keys typed and settings are never sent to external servers.
All configurations are stored in local JSON files. No cloud sync or telemetry tracking is performed.
System requirements and application rules
Supports Windows OS (including multi-monitor setups). Standalone execution available.
Includes Pro edition (supports JSON settings) and Free edition (runs on default settings). Keyboard layout is detected on startup. Run as administrator if target app requires UAC permissions.
Find the exact operational instructions and architectural specs for your workflow.
Click any button, link, or input field directly from your keyboard without ever reaching for your physical mouse.
Read Full UI Hint Manual →Comprehensive diagram guide on Vim navigation (hjkl), Space+; Enter, delete keys, and hold-for-symbols.
View Key Extension Manual →Get up and running in 5 minutes with tray menu tips, indicator configurations, and startup options.
View Quick Start Guide →How to use the GUI panel and choose presets for Minimal, Visual Aid, and Presentation workflows.
View Settings Guide →Solutions for administrator privileges, keybinding conflicts, and customizing configurations.
View FAQ & Solutions →Free, open source, and lightweight.
[Download] Free Download on GitHub