Sans preset, Undertale frame, PNG, GIF, and MP4 export

Sans Text Box Generator for Undertale Dialogue

Make Sans-style Undertale dialogue boxes with the right portrait, lowercase delivery, comic-style font feel, and export options for memes, fan comics, Discord posts, and video edits.

PNG / GIF / MP4Share LinksMultiple Borders
Sans text box generator background

Sans dialogue editor

Sans Text Box Generator

The editor opens with Sans selected, a Sans-style font preset, and a sample line so you can write a joke, warning, battle quote, or reaction box without rebuilding the setup from scratch.

PNG / GIF / MP4Share LinksRelease Notes
Tip: keep Sans lines short, dry, and lowercase for the most recognizable rhythm.
0°
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Format:PNG
Size:578 × 152
Ready

Quick Export

MP4 stays separate below so video export can keep sound.

Box Stacker

0

Build a vertical sequence and export it as one PNG.

Add the current preview to start building a stacked dialogue sequence.

Why Use a Sans Text Box Generator

Sans dialogue has a specific shape: short lines, casual timing, deadpan jokes, and a portrait that makes the punchline land. This page keeps that setup focused on Sans instead of making you search through the full Undertale editor every time.

Sans preset first

Start with the Sans portrait and character category already selected, then swap expressions or upload custom art if your scene needs it.

Lowercase dialogue style

The default line and font settings are tuned for Sans-style fan dialogue, jokes, warnings, and quiet reaction boxes.

Exports for sharing

Download a transparent PNG, animate the line as a GIF, or render MP4 with sound for edits and social posts.

Sans Dialogue Examples

Use these as starting prompts, then adjust the portrait, pacing, and export format in the generator.

Meme reaction

heya. that's a lot of effort for one screenshot.

Battle warning

you're gonna have a bad time.

Comic panel

welp. guess we're doing this today.

Discord post

sounds like someone forgot to save.

Guide

How to Make a Sans Text Box

Build a Sans dialogue box in four quick steps.

1

Write the line

Start with a short Sans-style sentence, pun, warning, or reaction.

2

Check the portrait

Keep the default Sans portrait or switch expressions for a wink, shrug, or normal delivery.

3

Tune the frame

Use the classic Undertale border, adjust font size, and preview the typewriter animation.

4

Export the result

Download PNG for comics, GIF for reactions, or MP4 with sound for video edits.

Sans Text Box FAQ

Answers specific to making Sans dialogue boxes.





Make More Undertale Text Boxes

Try another character preset or use the broader Undertale generator for mixed-character scenes.