Prepare Your Comic.
With Confidence.
In Seconds.
The free browser-based prepress tool. Assemble interiors, manage covers, check bleed/trim, and export print-ready PDFs. No signup, no uploads, no fees.
Works directly in your browser • Everything stays on your device
Everything you need to go from art to print
Built by comic creators, for comic creators. No learning curve required.
Preflight Checks
Automatic DPI, dimension, and margin validation. Catch issues before your printer does.
Printer Presets & Custom Sizes
KDP, standard US comic, manga presets built in. Create custom trim sizes for any format.
Visual Guides & Rulers
Bleed, trim, and safe area overlays plus inch rulers so you always know exact dimensions.
Batch Operations
Position and scale one page, then apply to all. Drag & drop everything at once. Zero busywork.
Flipbook Preview
Interactive page-flip preview to see exactly how your comic reads as a finished book.
Complete Cover Management
Dedicated slots for Front, Inside Front, Inside Back, and Back covers. Export with or without valid impositions.
Advanced Cover Editor
Crop, resize, and reposition your covers to fit perfectly with bleed and trim guides.
100% Private
Everything runs in your browser. Your art never leaves your device. No accounts, no cloud.
Dead Simple
Drag your pages in, pick a preset, and export. No learning curve, no complex setup required.
Ready to prep your comic for print?
No signup needed. Drag & drop your pages and start checking in seconds.
Launch EditorHave suggestions?
We're constantly improving and would love to hear your thoughts.