Comic panel segmentation for production handoff

Turn one finished comic page into ordered panel assets.

Upload a finished manga, comic, or webtoon page. LlamaGen detects the page structure, keeps bubble and caption context visible, and turns one flattened source into ordered panel files that editors, translators, animators, and archive teams can actually use.

Built for localization editors, manga assistants, webtoon ops, archive teams, and motion-comic creators who receive finished pages and need panel files without rebuilding the crop map by hand.

1 page
to ordered panel assets
Bubble-safe
context kept for QA
Named outputs
ready for handoff
Page in
Panels out
Comic Panel Segmentation Tool
Extracted manga establishing panel with detective on rainy platform
Extracted manga panel showing bubble boundary review from the same source page
Extracted manga action panel with detective running through an alley
Extracted manga handoff panel with detective and editor at a layout table
Detect panels
Preserve context
Export assets

Built for production work

For teams that need comic pages to become usable files, not prettier previews.

The real user is already holding a finished page. They need panel order, safe margins, bubble context, and files that downstream tools can accept without another round of manual slicing.

Localization editors

Review dialogue and lettering against panel context, including bubbles, captions, and nearby art that a rough crop can accidentally remove.

Best for manga, manhwa, and global release QA

Studio assistants

Turn incoming flattened pages into ordered assets before cleanup notes, redraw work, archive naming, or CMS upload begins.

Best for weekly production pipelines

Motion and webtoon teams

Prepare panel-level shots and long-scroll scene slices for reels, motion comics, thumbnails, and mobile republishing.

Best for animation prep and reflow

Real segmentation pain

The bottleneck is every decision hidden inside a crop box.

Comic panel extraction fails when it ignores reading order, speech bubbles, long-scroll pacing, and the next teammate who must use the files.

Reading order gets lost after manual crops

A page may look obvious to the artist, but assistants still need to name panels in the correct story sequence before review or upload.

Cost: One swapped panel can break localization QA, storyboard timing, or CMS ordering.

Fix: Start from an ordered asset set and review the sequence before handoff.

Bubbles and captions sit across panel edges

Dialogue, captions, and effects often sit near gutters or bleed into neighboring art, especially in manga and action pages.

Cost: Translators lose context, letterers request screenshots, and editors reopen the source page.

Fix: Keep bubble-safe margins visible so panel assets remain meaningful outside the full page.

Long webtoon exports are too large to reuse

A single vertical scroll export is inconvenient for thumbnailing, mobile QA, short-form edits, and scene-level notes.

Cost: Every downstream role cuts the same long image again for their own tool.

Fix: Split long pages into manageable scene slices that still preserve pacing and mobile framing.

Aha moment

The page becomes a handoff package, not just a crop preview.

The first useful result is easy to judge: a source page goes in, ordered panel assets come out, and each output still has enough context for the next production step.

1

Upload the finished page

Use a clean JPG, PNG, WEBP, or direct image URL from a comic page, manga scan, webtoon export, or archive source.

2

Detect structure and context

The model reads gutters, borders, bubbles, captions, and long-scroll breaks as one production layout.

3

Review, rename, and hand off

Confirm reading order, download the useful files, and send them to localization, motion, archive, CMS, or design tools.

Full page inputAI segmentation
Full comic page ready for segmentation
Extracted manga establishing panel with detective on rainy platformmanga_001_rain_platform.webp
Extracted manga panel showing bubble boundary review from the same source pagemanga_002_bubble_qc.webp
Extracted manga action panel with detective running through an alleymanga_003_action_gutter.webp
Extracted manga handoff panel with detective and editor at a layout tablemanga_004_handoff_table.webp
Top webtoon scene slice with courier outside a noodle shopscene_001_shop_safe_margin.webp
Middle webtoon emotional close-up scene slice with caption-safe marginscene_002_caption_closeup.webp
A good segmentation result should answer four questions at once: what is the panel, where does it sit in the story, which bubbles belong with it, and who can use it next?
Live panel segmentation

Test a real comic page before committing the workflow.

Upload a production-style page and inspect whether the result keeps story order, bubble context, and enough safe margin for your next teammate.

JPG, PNG, WEBP, or URLComic panel mode preselectedReview reading order before exportFull workspace available

inndeling av tegneserieruter

AI-verktøy for presis semantisk segmentering av tegneseriepaneler.

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Støtter JPG, PNG, WEBP

Generation Preview

Klar til å generere

No generated results yet

Upload an image or select an input example, then click Generate.

Input: 1 source image -> Output: pending
1

Upload your source image

Use an image that includes multiple characters or clear comic panels.

2

AI pre-checks character/panel count

If only one subject is detected, we stop and ask you to fix the input image.

3

Run segmentation and cropping

The tool isolates each character/panel as separate assets.

4

Review and continue editing

Use each cropped result in your next workflow step.

Continue to Comic Panel Segmentation

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Input quality

Better source pages produce better panel packages.

Panel segmentation is strongest when the page has visible gutters, enough resolution, and bubbles that are not crushed by compression or crop edges.

Best source pages

Use files where a human editor can clearly see borders, gutters, and bubble placement at normal zoom.

Finished comic, manga, or webtoon page in JPG, PNG, or WEBP
Clear panel borders or strong whitespace between scenes
Bubbles, captions, and effects visible with a little safe margin

Risky inputs

These can still be tested, but expect more manual review before handoff.

Low-resolution scans, heavy compression, or blurry photographed pages
Double-page spreads where the fold hides a gutter or bubble
Panels cropped at the source edge with no room around important art

Review before export

Treat the first result as a QA checkpoint, not a blind batch operation.

Confirm panel order matches the reading direction
Check that bubbles and captions stay with the right panel
Regenerate or crop closer if tiny panels merge together

Operational value

Measure the work removed before localization, motion, and archive begin.

The value shows up when repeated page-prep work becomes a review loop: fewer missing-bubble fixes, faster panel naming, and cleaner files for every downstream role.

Prep time

Reduce hand-slicing before review

Move the first pass from manual crop boxes into upload, inspect, rename, and export.

QA rework

Catch missing context earlier

Review bubbles, captions, effects, and safe margins before files reach translators or letterers.

Asset reuse

Create files for more channels

Reuse the same panel set for localization, reels, motion comics, thumbnails, CMS uploads, and archives.

Handoff speed

Make ownership obvious

Give each teammate a named asset package instead of asking them to recut the same flattened page.

From one segmentation result to a repeatable comic asset pipeline.

Once the outputs are ordered and reviewable, panel extraction becomes the first step in localization, motion, webtoon reflow, and archive workflows.

Localization QA package

Export panels with bubble context so translators and letterers can review dialogue without reopening the full page for every note.

Motion comic shot prep

Feed extracted panels into timelines, reels, parallax tests, and storyboard tools with clear shot names.

Archive and CMS handoff

Create consistent panel files for metadata cleanup, search previews, content uploads, and social republishing.

Use-case matrix

Match the segmentation result to the job after export.

Different comic teams judge success differently. The page now explains what each audience needs to verify before they hand off panel assets.

Manga localization QA

Input: High-detail page with bubbles near gutters
Risk: Dialogue gets separated from the panel it explains
Handoff: Ordered panels with bubble-safe margins for translators and letterers

Webtoon mobile reflow

Input: Long vertical export with scene breaks
Risk: One giant image blocks thumbnails, QA, and short-form edits
Handoff: Scene slices that preserve pacing and mobile crop review

Archive cleanup

Input: Flattened legacy page or scan
Risk: No reusable panel files for search, metadata, or CMS upload
Handoff: Named panel set with source context for cataloging and reuse

Production-grade examples

See one source page become a real panel handoff package.

Each case uses a complete Page in and Panels out cropped from that same source, so visitors can judge whether segmentation preserves order, bubble context, and scene-level usefulness.

Source pageBefore
Full manga page prepared for comic panel segmentation
Extracted assetsAfter
Extracted manga establishing panel with detective on rainy platformmanga_001_rain_platform.webp
Extracted manga panel showing bubble boundary review from the same source pagemanga_002_bubble_qc.webp
Extracted manga action panel with detective running through an alleymanga_003_action_gutter.webp
Extracted manga handoff panel with detective and editor at a layout tablemanga_004_handoff_table.webp

Manga localization QA page to ordered panel pack

A monochrome manga page with a rainy establishing panel, a bubble crossing the gutter, an action beat, and an editorial handoff scene. The team needs story order and bubble context intact before translation QA.

Automation value
Extracts four readable assets from the same source page so editors can inspect composition, bubble placement, safe margins, and file naming without drawing crop boxes.
Output
4 ordered manga panels + source context
Next step
Translation QA, lettering checks, redraw notes, archive naming
Full manga page prepared for comic panel segmentation
Extracted manga establishing panel with detective on rainy platformmanga_001_rain_platform.webp
Extracted manga panel showing bubble boundary review from the same source pagemanga_002_bubble_qc.webp
Extracted manga action panel with detective running through an alleymanga_003_action_gutter.webp
Extracted manga handoff panel with detective and editor at a layout tablemanga_004_handoff_table.webp
Case 1

Manga localization QA page to ordered panel pack

Extracts four readable assets from the same source page so editors can inspect composition, bubble placement, safe margins, and file naming without drawing crop boxes.

4 ordered manga panels + source context
Long vertical webtoon source page prepared for panel segmentation
Top webtoon scene slice with courier outside a noodle shopscene_001_shop_safe_margin.webp
Middle webtoon emotional close-up scene slice with caption-safe marginscene_002_caption_closeup.webp
Bottom webtoon action scene slice with courier crossing streetscene_003_crosswalk_action.webp
Case 2

Vertical webtoon export to mobile-ready scene slices

Turns one tall source page into scene-level assets from the same image so webtoon ops, social editors, and motion teams do not keep cutting the scroll manually.

3 mobile scene slices for reflow and review

AI panel segmentation vs manual cutting

Manual slicing looks simple until every downstream role needs the same page prepared, named, reviewed, and corrected again.

Workflow needLlamaGen segmentationManual cutting
First-pass prepUpload, detect, review, exportDraw every crop box by hand
Reading orderReviewed as an ordered asset setDepends on manual naming discipline
Speech bubble contextChecked with panel-safe marginsEasy to clip bubbles or over-include neighbors
Long webtoon handlingScene slices for mobile workflowsOne giant scroll recut by each teammate
Downstream handoffReusable named panel packageEach role often starts from the flattened page again
Result checklist

What separates a weak crop from a production-useful panel asset?

The page should help visitors judge quality. These checks map directly to the mistakes comic teams already fix manually.

CheckWeak cropProduction-useful output
Reading orderFiles export as random crops with no story sequence.Panel names and preview order follow the page reading direction.
Bubble contextDialogue or captions are clipped away from the visual beat.Bubbles, captions, and nearby art remain visible enough for QA.
Safe marginImportant line art touches the crop edge or loses effects.Each panel keeps enough border for lettering, redraw, and motion work.
Downstream useThe next teammate still opens Photoshop to recut everything.Outputs can move into localization, CMS, archive, or timeline tools.
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Comic panel segmentation FAQ

What makes a good source page for comic panel segmentation?

Use a clean JPG, PNG, or WEBP where borders, gutters, bubbles, and captions are visible. High-resolution finished pages work better than blurry photos, folded scans, or pages cropped too tightly at the source edge.

How is this different from a normal image cropper?

A normal cropper only cuts rectangles. LlamaGen is designed around comic page structure: panel order, bubbles, captions, effects, safe margins, and the production context needed by the next teammate.

Can it handle manga pages, webtoons, and irregular layouts?

Yes, the workflow is intended for manga pages, western comic layouts, diagonal panels, overlapping action beats, and long vertical webtoon exports. You should still review the result before production handoff.

What should I check before downloading the panels?

Confirm reading order, bubble context, safe margin, and file naming. If small panels merge or context is missing, crop the source closer, use a clearer page, or rerun before sending outputs to localization, motion, archive, or CMS work.

What can I do with the extracted panels?

Use the panel assets for localization QA, lettering, redraw notes, motion comic timelines, webtoon reflow, social thumbnails, archive cleanup, CMS upload, or design-tool handoff.

Before you hand off the panel package, check these four things.

This turns the page from a demo into a production guide: visitors know how to decide whether the segmentation result is ready for the next role.

Panel order matches the page reading direction or webtoon scroll sequence.
Dialogue bubbles, captions, and effects are still visible with the correct panel.
Each output has enough safe margin for redraw, lettering, motion, or CMS crops.
Files are named for the next workflow: localization, archive, webtoon, or timeline.

Turn the next finished comic page into a usable panel package.

Upload the source page, review panel order and bubble context, then move the output into localization, webtoon, archive, or motion workflows.

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