One master
Calculate platform outputs from a single source while preventing accidental upscaling.
Free multi-platform comic converter
Build platform-specific exports from one webcomic master
Compare WEBTOON CANVAS, Tapas, and GlobalComix output plans, resize a private master without forced upscaling, and export supported local variants.
Use the free toolNo signupNo watermarkRuns in your browser
The complete conversion plan, manifest, and supported browser exports are free with no watermark. Confirm final production rules with your printer or publishing platform.
Last verified: 2026-08-31Official Creator Resource Handbook — episode body limitsOfficial WEBTOON Academy handbook entryOfficial CANVAS thumbnail sizes and limitsOfficial CANVAS preview checklistOfficial Tapas file-size overviewOfficial Tapas comic episode publishing guideOfficial Tapas series asset requirementsOfficial Tapas Content & Community GuidelinesOfficial GlobalComix FAQ and file requirementsOfficial GlobalComix reader mode overview
Connected creator workflow
Move to the next production step
Cluster hub
Continue in LlamaGenCreate the complete episode in Manga MakerTurn publishing constraints into a reusable vertical-comic project with consistent characters and scenes.Open workflow Webtoon Publishing Tools
Choose a destination, test a live episode sample, and move directly into free cutting, thumbnail, conversion, and specification tools for webcomic publishing.
Open Webtoon Publishing Tools Free browser toolWebtoon Thumbnail Maker
Crop, reposition, preview, and export WEBTOON CANVAS and Tapas series, cover, banner, and episode thumbnails from one private local illustration.
Open Webtoon Thumbnail Maker Interactive guideWEBTOON CANVAS Size Guide
Enter a master-strip size to calculate scale, prepared output dimensions, slice count, estimated raw memory, and a source-linked WEBTOON CANVAS checklist.
Open WEBTOON CANVAS Size Guide Free browser toolWebtoon Format Checker
Check webtoon images for platform width, height, format, file-size, episode-total, and file-count rules with a private browser-based validation report.
Open Webtoon Format Checker Free browser toolSmart Webtoon Cutter
Analyze a long comic locally, suggest low-ink cut lines near the platform boundary, override every seam manually, and export numbered publishing slices.
Open Smart Webtoon Cutter Free browser toolWebtoon Splitter
Split a long webtoon or vertical comic into deterministic numbered image slices. Choose a slice height, export locally, then verify the files with the platform checker.
Open Webtoon SplitterContinue in LlamaGen
Publish more without rebuilding the story
Use LlamaGen to build consistent characters, editable scenes, and complete vertical-comic episodes in one reusable story workspace.
Honest unknowns
Undocumented GlobalComix byte and file-count limits remain marked for live-dashboard review instead of being invented.
Reusable manifest
Download a JSON production plan with dimensions, slicing, notes, sources, and profile versions.
Webcomic Platform Converter FAQ
Production answers without the guesswork
Can one file be uploaded everywhere unchanged?+
Sometimes, but widths, slice behavior, byte limits, thumbnails, and reader modes differ, so each destination still needs review.
Why does GlobalComix say review dashboard?+
Its official FAQ documents upload formats, pixel behavior, and asset dimensions but does not publish a hard byte or file-count limit.
Will the converter upscale small artwork?+
Not by default. Preventing upscale avoids inventing detail; you can deliberately enable it and inspect the result.