copainter provides convenient AI tools for illustration production. From coloring and backgrounds to final touches, we support you in various aspects of illustration creation.
copainter provides convenient AI tools for illustration production. Coloring, backgrounds, final touches... We assist you in various stages of illustration creation. copainter aims to expand the potential of your illustrations, making the creative process more enjoyable and vibrant.
InkingAI refines rough sketches into clean line art. By adjusting the inking fidelity, you can replicate your input line art accurately or make use of AI assistance to create new expressive styles. You can customize the line thickness and taper, supporting a wide range of drawing styles. From professional illustration work to hobby sketches, this tool has you covered.
Base ColoringAutomatically generate base colors from line art using AI. It can export layered PSD files, separating each color into its own layer for easy post-editing. It also features the ability to generate base colors using reference images, effectively assisting your base coloring process.
ShadingBased on your line art, AI automatically generates shadows that adapt in real time when you change the light source position. By adjusting the light source, you can experiment with a variety of expressions, making it a useful reference for lighting. In addition to 3D-like shadows, you can also generate anime-style shading. It's a handy tool for rough shading in illustrations or creating animations.
ColoringSimply input your line art and base colors to instantly color your illustrations with AI. It supports various coloring styles such as brush painting, anime-style shading, and watercolor. You can choose to export in PSD format with separate layers for line art, base coloring, coloring, and multiply layers, making post-processing easy. Adjust the AI coloring style according to the image you want to achieve and work more efficiently in your creation process.
Image ConversionSimply input an image and text to transform your illustration into a different style or content using AI. You can switch to watercolor, anime, or realistic styles, add backgrounds, or change character costumes. This is useful not only as a reference for illustration creation but also for fine-tuning your final artwork.
UpscalingAI automatically improves the resolution of your illustrations. Choose between 2x (4 times the resolution) or 4x (16 times the resolution) modes to suit your needs. By using models specialized for illustrations, it enlarges images without compromising line clarity or color detail. This feature supports high-quality output for various uses, such as social media, poster printing, or animation production.
Please choose the best plan
FAQFor those who want to try it first
For those who want an easy and affordable trial
*Limited to general users and small businesses (annual sales less than 10 million yen in the most recent year).
For individuals who regularly use the service
*Limited to general users and small businesses (annual sales less than 10 million yen in the most recent year).
For those who want to use it extensively
This plan is also available to corporate customers with annual sales of 10 million yen or more in the most recent year.
For corporate customers
※Ticket validity: 60 days for all plans.
※Ticket allocation timing: Tickets are provided monthly on the same day as your plan registration date for all plans.
※The “Free” plan can be used free of charge every month.
※For paid plans, the contract automatically renews unless you stop the automatic renewal.
※Paid plans can be cancelled at any time. If you cancel before the renewal date, the next debit will not occur.
※If you cancel a paid plan, you cannot re-register for the same plan until its term ends.
※Even after changing or canceling a plan, tickets can still be used if they remain within their validity period.
※You can upgrade, downgrade, or cancel at any time during the month.
※Prices include tax.
