Are there any hidden costs? A: All links above provide truly free tiers. Paid upgrades only unlock higher file limits or premium shapes.
Do these tools store my diagrams? A: Free online editors keep files on your chosen cloud storage (Google Drive, OneDrive, etc.) or locally in the browser; they do not retain a permanent copy on their servers. 7️⃣ Handy Keyboard Shortcuts (diagrams.net) | Shortcut | Action | |----------|--------| | Ctrl + Z | Undo | | Ctrl + Y | Redo | | Ctrl + C / Ctrl + V | Copy / Paste | | Shift + Drag | Constrain movement to horizontal/vertical | | Alt + Enter | Edit shape text | Enjoy creating diagrams without paying for Visio! free visio link