Android App
We are fixing an issue in the new build, so the Android installer is paused.
Android download pausedThe WeChat Mini Program “超牛文档” is still availableDOCUMENT TOOLS FOR PEOPLE AND AGENTS · CHAONIUDOC.COM
Scan, convert, recognize, edit and sign documents in one app. Open APIs and MCP let your agents use the available tools too.



01 / AGENT access
Connect document enhancement, PDF tools, audio transcription, video copy analysis and flagship image generation through our API and MCP. Image and video jobs use the App’s live pricing and billing rules.
The example key is a placeholder. Create your own key in the Chaoniu Docs app.
Read https://chaoniudoc.com/docs/open-api.html and connect the Chaoniu Docs remote MCP server at https://chaoniudoc.com/mcp to this agent environment. I will create a key in the app under Me → Open API and provide it securely. Then list the available tools and wait for my file. Never expose the key in replies, code or logs.
API guide: chaoniudoc.com/docs/open-api.html ↗
Document photo → enhancement → agent workflow
The agent calls enhance_image to detect edges, straighten and enhance the photo. The clearer result can then be read, summarized or filed by a vision model.
02 / Documentation is the core
Start with shooting and clear scanning, and continue to generate PDF, Word, Excel, JPG, PNG or TXT; signing, stamping and organizing can also be completed.

03 / Chaoniu Daily
Catch up on selected AI and productivity stories. Read the articles or listen whenever you have a few minutes.


04 / IMAGE CREATION · CHAONIU FLAGSHIP MODEL
Describe your image or add reference photos, choose an aspect ratio and generate a high resolution result in the Chaoniu Docs app. Explore the examples and prompts below.





Write down the brand, product appearance and usage scenarios, and generate packaging, advertising images and product display images to make your creativity easier to see.

PromptDesign a high-end advertising picture for CHAONIU Amber Essence: the bottle is placed on warm sandstone, and the sunset sidelight reveals the real glass texture.

PromptDesigned kraft paper packaging bags and gift boxes for the CHAONIU bread brand, paired with European bags and wheat ears, to present a warm bakery advertising image.

PromptCreate a product image for the CHAONIU button wireless microphone: showing the compact microphone and charging case, highlighting the metal details and soft warm light.
Landscape, space, fairy tales and food, you can try every theme.

PromptAt sunrise, golden clouds flow through the cascading valleys, and a lit cabin by the lake is reflected in the calm water.

PromptIn the Mediterranean reading room in the afternoon, the arched walls, olive trees and linen sofas are bathed in the sunlight that flows in through the windows.

PromptA gentle giant turtle carries a lit little bookstore on its back through the autumn forest. The fallen leaves and lanterns make the scene look like a fairy tale picture book.

PromptGolden and crispy croissants and fresh figs are suspended in the sunlight, while linen tablecloths and ceramic plates form a high-end baking still life.

Reference photo + promptImport a photo of your furry child as a reference image to refer to its coat color, pattern and demeanor. Let him wear a plaid scarf and sit in a sunny corner cafe, with his paws on the latte cup; there are croissants and berries on the table, and there are green plants and flowers by the window.
The above products are fictitious creative references and do not represent actual products on sale; the generated results will change with prompt words, reference pictures and settings.

05 / Video copywriting · Self-media toolbox
Paste a public video link to extract its spoken script and export it as Word or TXT. AI analyzes the opening, structure and delivery to surface ideas worth adapting. Links from 1,000+ platforms are supported, subject to successful parsing.
Get started · CHAONIUDOC.COM
Choose Android, iPhone or WeChat Mini Program. For plans, credits and API access, see Pricing and services.
We are fixing an issue in the new build, so the Android installer is paused.
Android download pausedThe WeChat Mini Program “超牛文档” is still availableThe iPhone version is preparing for the official download entrance.
Coming to the App StoreDownloads will be available here after openingNo installation required, just search for "Chaoniu Docs Document" in WeChat.
Open in WeChat ↗You can use WeChat to search for "Chaoniu Docs Document" on your computerLearn about fees, terms of use, or send us feedback.