Stop settled for generic, pixelated PDF stamps. Generate unique, high-resolution, and professional-grade digital marks
tailored to your exact prompt with UPDF AI Agent in seconds.
1000+
Tailor-Made Variations
100% Seamless
Apply & Export
Prompt-to-Stamp Creation
Stop searching for stamp templates, drawing seals manually, or importing low-quality images. UPDF AI Agent translates prompts into high-fidelity, one-of-a-kind digital stamps. From intricate wax seals to modern minimalist badges, get the exact stamp you need to command authority—instantly.
Smart Prompts Provision
High-Fidelity Output
3 Options At Once
One-Shot Integration & Export
Instantly flip, rotate, take notes, adjust transparency... to your stamp once it’s on the page. With the freedom to download or share your creations anytime, it’s not just a flat image; it’s a professional, editable tool integrated directly into your document’s DNA.
Instant Placement
Lossless Multi-Format Export
Quick Sharing
Reusable Stamp Library
Create approval stamps, company seals, or custom AI marks once and reuse them across documents. Apply professional stamps to any PDF in seconds while keeping your workflow consistent and organized.
Persistent Storage
Cloud Sync Support
Transform your vision into professional digital stamps instantly with zero design effort.
1Open the AI Stamp Generator
Open your PDF in UPDF, click Tools > Comment at the top of interface and then click the Stamp icon. Access the AI Stamp Generator icon to wake the AI Agent, ready to translate your text prompts into authoritative and custom stamps.
2Define Your Preferences
Type your own prompt or use our One-Tap Presets (like Date, Time, Author...). Whether you need an official company seal or a personalized signature mark, these smart categories simplify the process, ensuring a perfect fit for any professional context.
3Generate, Refine & Apply
Click Generate to witness instant, one-of-a-kind creations. Once generated, you have 100% control to flip, rotate, or adjust transparency. Apply it directly to your page or save it to your Stamp Library as needed.
See the full User Guide for more tips
Why choose UPDF AI Stamp Generator over others?
UPDF is the first PDF editor to integrate an AI-powered stamp generator directly into the document workflow. Instead of relying on templates, manual design, or importing images, you can generate stamps that match real document needs.
Compared with standalone web AI tools, UPDF keeps the entire process inside your PDF environment. You can generate, place, edit, and reuse stamps without switching platforms, which significantly improves workflow efficiency while also helping protect document privacy.
Can I export the stamps generated by AI?
Absolutely! Once generated, stamps can be downloaded or shared, making them easy to reuse in other documents or workflows.
How are AI credits consumed when generating stamps?
Each generated image consumes one AI credit. Every generation produces three 1024 × 1024 PNG stamp images, so a full generation typically deducts three AI credits. If fewer than three images are generated due to an unexpected issue, credits will only be deducted based on the actual number of images produced. You can check your remaining allowance or upgrade for more capacity on our Pricing page.
What types of stamps can the AI generate, and who are they for?
UPDF AI Agent supports a wide range of stamp styles designed for different professional and creative needs. Whether you're working in office administration, finance, legal documentation, or creative projects, it can generate stamps tailored to your workflow.
Are AI stamps compatible with other PDF readers?
Yes. Once applied, the stamp becomes part of your PDF document and will display correctly in other PDF readers such as Google Chrome.
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