From anime and manga character relationships to friend circles and viral social media content. Just upload images and add relationship labels like "Love", "Hate", "Rival" with arrows. Export your diagram as PNG or JPEG.
Everything you need to create relationship diagrams. No special software needed - just your browser.
Upload your favorite character images and turn them into circle, square, or bubble icons. You can also use emojis or colored circles.
One-way, two-way, heart, cracked, dotted, wavy. Choose the style that best fits the relationship nuance.
Presets include Love, Hate, Rival, Trust, Interested. You can also enter custom labels and add stamp decorations.
Not just for triangles! Add 4, 5, or more characters. No limits - drag and place complex relationship maps freely.
One-click image save. Ready for social media posts or documents.
Use Ctrl+Z/Y to undo and redo. Load sample diagrams to get started quickly.
Save your diagram as a .sankaku.json file. Open it another day to continue editing. Includes uploaded images.
Your work is automatically saved to your browser. Even if you close the tab, your previous state is restored when you return.
Even beginners can create a relationship diagram in minutes.
Click "+ Add Node" to add a character. You can add a name and a short subtitle.
Upload an image or choose an emoji or colored circle. You can also change the shape to circle, square, or bubble.
Hover over a node to see the + mark in the top right. Drag it to another node to create a connection.
Click on a line to set relationship labels like Love/Hate/Rival, arrow style, color, and stamp decorations.
Click "⤓ PNG" or "⤓ JPEG" to download. Background patterns and titles are included in the export.
Perfect for anyone who wants to visualize relationships at a glance. Here are some examples:
Organize your favorite couples and fan theories.
Visualize complex relationships in long-running series.
Organize character relationships for your stories.
Map out social connections in your group.
Create cute relationship charts for Twitter/X and Instagram.
Use for educational materials on historical or mythological relationships.
Visualize team relationships and business connections.
Organize character relationships in RPGs or otome games.
Use preset relationship labels (or enter custom ones) and 6 arrow styles.
Romantic feelings
Dislike, aversion
Competition
Friendship, trust
Curious, crush
Enter your own
Unidirectional feelings or actions.
Mutual relationships, mutual feelings.
Mutual love, strong affection.
Broken relationships, cracks.
Vague relationships, subtle feelings.
Unstable, fluctuating relationships.
Yes! This is a free web tool that runs entirely in your browser. No registration or installation required - just visit the URL and start creating.
Yes. Click "⤓ Export ▾" in the toolbar, then choose "Save as PNG" or "Save as JPEG". The entire diagram including background patterns and labels will be exported as a single image.
Yes. Use the "Save Project" option to download your work as a .sankaku.json file. You can load it later to continue editing. All uploaded images are included. Note: This feature is available on desktop only.
No. All image processing happens in your browser. Uploaded images are not sent to any server - they're stored locally in your browser as an automatic backup. You can delete them using "Clear All".
Technically unlimited, but we recommend around 20 nodes for best readability and performance. More nodes may result in cluttered connections and slower dragging.
Yes! We have a mobile editor optimized for touch. It features a bottom tab bar UI, guided flows for adding characters and relationships, and a screenshot mode. For precise editing, we recommend the desktop version.
The exported images belong to you (the creator). However, please check the copyright status of any images or emojis you upload. See our Terms of Service for details.
You're all set. Create cute relationship charts right in your browser.
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