Webtoon Panel Splitter & Slicer
Slice long vertical scrolling webcomics into standard 800x1280px panels for Line Webtoon Canvas and Tapas. 100% private in-browser processing.
Splitter Settings
Sequential downloads with 250ms spacing to prevent browser popup blocking.
Sliced Panels Output
Upload a long vertical comic to automatically slice it into Line Webtoon 800x1280px panels.
Webtoon & Manhwa Publishing Dimension Specs
LINE Webtoon Canvas
- • Width: Exactly 800px
- • Max Slice Height: 1,280px
- • File Size: Max 2MB per slice
- • Format: JPG / PNG
Tapas Community
- • Width: 960px (or 800px)
- • Max Slice Height: 1,600px
- • File Size: Max 2MB per image
- • Format: JPG / PNG / GIF
Amazon KDP Paperback
- • Resolution: 300 DPI High-Res
- • Trim Sizes: B6 (5.04x7.17"), 5x8", 6x9"
- • Bleed: 0.125" outer margins
- • Format: PDF / EPUB
Turn Your Story & Prompts into Multi-Panel Manga Pages
Take your characters and scripts to the next level. Our AI Manga Generator from Text automatically arranges sequential storyboard panels, places speech bubbles, and locks character likeness with 100% face consistency across all chapters.
Essential AI Manga Creator Toolkit
Combine our free interactive micro-tools to plan, script, storyboard, and publish your manga series.
AI Manga from Text
Convert text scripts into multi-panel manga pages.
💬Speech Bubble Maker
Custom action shout & thought balloons with PNG export.
💥Manga SFX Dictionary
Translate Japanese Katakana onomatopoeia for action scenes.
👥Character Bible
Design reference sheets for 100% facial consistency.
🪄Prompt Generator
Generate panel-by-panel anime prompt instructions.
🐉AI Manhwa Generator
Korean-style action webtoons with hunter system HUDs.
📱AI Webtoon Generator
Full-color vertical scrolls formatted for Line Webtoon.
📖Title Generator
Catchy titles for Isekai, Shonen, and Romance.
📜Script to Manga
Convert screenplays and Fountain text to multi-panel manga.
Frequently Asked Questions
What are the exact image upload dimensions for LINE Webtoon Canvas?
LINE Webtoon Canvas requires each uploaded image to have a width of exactly 800 pixels, a maximum height of 1,280 pixels, and a file size under 2MB in JPG format.
What image dimensions does Tapas require for webcomic episodes?
Tapas recommends a canvas width of 960 pixels and a maximum slice height of 1,600 pixels, with individual files under 2MB.
Does the webtoon panel splitter upload my artwork to a server?
No. The entire slicing process executes locally inside your browser using HTML5 Canvas APIs. Your artwork is 100% private and never uploaded to any remote server.
Can I automatically generate vertical webtoons directly from story text?
Yes! TextToManga offers a full AI Webtoon Generator that converts novels, screenplays, and fanfiction into continuous vertical scrolling webtoons with locked character likeness and automated speech bubbles.
Is the Webtoon Panel Splitter free to use?
Yes, this tool is completely free with no limits on file size or slice count. You can also sign up for TextToManga to get 1,000 free starter credits.
Create Full Webtoons from Novel Text
Turn your webnovels, light novels, and fanfiction into episodic vertical webtoons in minutes with TextToManga AI.