To request tagged PDF output from DocRaptor, set prince_options.profile to PDF/UA-1. That setting is only the start: use semantic, well-ordered HTML, then inspect and test the generated PDF. A successful conversion or profile selection does not by itself prove full WCAG conformance or legal compliance.
Request a tagged PDF from DocRaptor
DocRaptor’s documentation says to set prince_options[profile] to PDF/UA-1 to create a tagged document. In the JSON API request, that option is nested under prince_options:
{
"type": "pdf",
"document_content": "<html lang="en"><head><title>Accessible report</title></head><body><h1>Accessible report</h1><p>Report text.</p></body></html>",
"prince_options": {
"profile": "PDF/UA-1"
}
}Before relying on this option, check the [DocRaptor API Reference](https://docraptor.com/documentation/api) for the pipeline applicable to your account: its reference lists PDF/UA-1 support on pipeline 7 and later. For request details, see DocRaptor’s accessible and tagged PDFs guide.
Make the request repeatable
Build the HTML as part of your normal document-generation workflow and pass it as document_content. DocRaptor disables JavaScript by default; if your source document genuinely depends on JavaScript, enable the API’s javascript option and verify the generated output rather than assuming scripts completed as intended. See DocRaptor’s HTML and JavaScript tutorial.
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- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Prepare accessible HTML before conversion
PDF tags are derived from the source, so start with HTML whose structure communicates the document’s meaning. The profile cannot infer relationships that the markup does not express.
- Use semantic elements and a logical heading hierarchy. Organize sections with headings in a meaningful sequence; use actual lists, quotations and tables where those structures apply. DocRaptor says Prince maps common elements such as headings and block quotes to PDF tags automatically.
- Declare the document language. Put the main language on the root
<html>element, such aslang="en", and mark a different-language phrase or section with its own language attribute where appropriate. - Write useful image alternatives. Give informative images text alternatives that convey their purpose. Treat purely decorative images as decorative so assistive technology can skip them.
- Do not make color carry meaning alone. Pair color-coded status or instructions with text or another discernible cue, and make links distinguishable by more than color.
- Use sufficient text contrast. WCAG 2.2 Success Criterion 1.4.3 sets a minimum contrast ratio of 4.5:1 for ordinary text and 3:1 for large-scale text, subject to exceptions including inactive interface components, pure decoration and logos. See W3C’s explanation of Contrast (Minimum).
- Set a meaningful title. Include a descriptive HTML
<title>; DocRaptor notes that assistive devices use the document title rather than the filename. Add metadata such as author or subject when useful. - Keep source order meaningful. Arrange content in the order it should be read. CSS can move elements visually without changing the logical order used in the PDF, so check both presentation and reading sequence.
Inspect the generated PDF, not just the API response
After conversion, review the actual PDF. Automated tagging and default bookmarks can help, but complex content or layouts may need corrections; DocRaptor notes that some material, such as a table of contents, may require custom tagging.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
- Review the tag tree. Check that headings, paragraphs, lists, table headers and captions, image alternatives, abbreviations, quotations, footnotes and bibliography entries have appropriate structure and are represented meaningfully.
- Check bookmarks against the outline. DocRaptor creates bookmarks from headings by default. Confirm that the resulting navigation reflects the document’s actual sections and hierarchy.
- Compare tag order with visual meaning. W3C explains that reading order is determined primarily by the order of tagged elements; complex layouts can produce an incorrect sequence. Read through the PDF with a screen reader or read-aloud tool, and test the tab order of interactive content.
- Apply custom tagging where necessary. DocRaptor documents Prince’s
-prince-pdf-tag-typeCSS property for cases such as table-of-contents tags, decorative content and ARIA roles. Usenonefor content that is genuinely decorative; do not suppress meaningful repeated content, such as page numbers. - Use a validator as one part of review. DocRaptor names CommonLook PDF Validator and PAC as checking tools, axesPDF as a checking and remediation tool, and pdfGoHTML for tag inspection. DocRaptor notes that pdfGoHTML does not itself test against standards. No single tool’s result substitutes for reviewing whether the document works for its intended readers.
W3C’s WCAG techniques are informative examples of ways to meet WCAG, not mandatory implementations. Use them to inform checks without treating a particular technique or validator as proof of conformance.
What PDF/UA-1 does—and does not—establish
Selecting PDF/UA-1 requests tagged output through DocRaptor’s generation settings. It does not, on its own, establish that every WCAG success criterion is met or that a particular legal requirement is satisfied. The source semantics, visual presentation, reading and interaction order, and the needs of the document’s users still require evaluation. DocRaptor itself cautions that additional modifications may be needed.
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Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Or skip the browser setup
ScreenshotNeo is a website screenshot API, not an HTML-to-accessible-PDF service or a replacement for DocRaptor’s tagged-PDF workflow. If your task is to capture a web page as an image or PDF, one GET request can return the result:
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webpSee the ScreenshotNeo API documentation for request options. ScreenshotNeo accepts cookie or consent banners like a visitor and removes more than 60 known consent platforms, newsletter popups and chat widgets before capture; each step can be turned off. Bot checks, blank pages, failed loads and cache hits are not billed, and responses indicate the page verdict and billing status. Its MCP server provides take_screenshot, get_page_info and capture_pdf for AI agents. The free plan includes 1,000 screenshots per month with no card; paid plans start at $5 for 3,000.
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Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
