Create Authentic Undertale Dialogue Boxes
Generate pixel-perfect text boxes with classic fonts, character portraits, and typewriter animations. Perfect for fan content, memes, and roleplay.
Undertale Text Box Generator
Create authentic Undertale & Deltarune style dialogue boxes
\color codes to change text colorSelected Original Box - Classic Undertale style
Quick Export
MP4 is exported separately below so video export can keep sound.
What is Undertale Text Box Generator
A free online tool that lets you create authentic Undertale-style dialogue boxes with pixel-perfect accuracy, just like in the game.
Pixel-Perfect Fonts
Use the exact same fonts from Undertale including Determination Mono, Sans, and Papyrus styles.
Character Portraits
Choose from a library of character expressions including Sans, Papyrus, Toriel, and many more.
Typewriter Animation
Add the iconic text reveal effect with adjustable speed, just like the original game dialogue.
Easy Export
Download your creation as PNG, generate GIF animations, or export MP4 with sound for social posts and edits.
How to Use Undertale Text Box Generator
Create authentic dialogue boxes in 4 simple steps:
Enter Dialogue
Type your text in the box. Use * for bullets and codes like \yellow, \red for colors.
Select Character
Choose from our massive library of Undertale & Deltarune sprites or upload your own.
Customize Style
Adjust fonts (Sans, Papyrus), border styles, and text animation speed.
Export & Share
Download as transparent PNG, or export as MP4 video to share on social media.
Key Features of Undertale Text Box Generator
Everything you need to create authentic game-style dialogue boxes.
Multi-line Text Input
Write paragraphs with automatic asterisk (*) prefix. Use color codes like \yellow, \red for colored text.
Classic Pixel Fonts
Built-in Determination Mono, Sans, Papyrus, and other authentic fonts from the game.
Character Portraits
Extensive library including Undertale, Deltarune, and Undertale Yellow (Clover, Martlet) expressions.
Multiple Box Styles
Standard dialogue boxes, battle boxes, and special colors (red, yellow) to match game moments.
Typewriter Animation
Adjustable text reveal speed that mimics the game's iconic dialogue effect. Preview in real-time.
PNG Export
Download high-quality images with transparent or black backgrounds. Perfect for social media sharing.
Frequently Asked Questions
Learn more about our Undertale dialogue generator.
Need help, want to share a creation, or have a feature idea? Join our Discord community or email us.
Start Creating Your Dialogue Box Now
Join thousands of fans creating authentic Undertale-style content for free.