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If you need a hosted API to turn a URL or HTML into a PDF, compare HTML2PDF.app with PDFCrowd, DocRaptor, and Browserless against your rendering, delivery, and document requirements. Their published documentation describes different input types and output controls, but does not establish which produces the most faithful PDFs. Test representative pages before choosing.
Which HTML-to-PDF API fits your workload?
The key differences are the input you need to send, how the service returns the PDF, and which document controls are documented. The comparison below summarizes provider documentation; it is not a benchmark, and no side-by-side output test was conducted.
| Service | Documented fit | Check before choosing |
|---|---|---|
| HTML2PDF.app | Accepts a URL or raw markup in an authenticated request, renders with headless Chromium, and can return PDF bytes synchronously or use a callback flow. Documentation also covers print settings and templates. | Confirm target-page accessibility, rendering timing and resource loading, callback handling, account limits, and data handling. Keep the API key on the server; the provider warns against exposing it in browser JavaScript or public repositories. |
| PDFCrowd HTML to PDF API | Documents URL, raw HTML, uploaded-file, and template conversion, language SDKs, page-composition controls, JavaScript readiness, watermarks, password protection, PDF/A, and tagged PDF. | Check whether the particular output and security controls match your requirements and whether the current plan fits your workload. |
| DocRaptor HTML to PDF API | Accepts JSON requests to create PDFs from HTML; documents binary responses, hosted documents, and asynchronous generation. | Verify that its rendering and output features meet your layout and compliance needs rather than inferring quality from implementation details. |
| Browserless PDF API | A REST /pdf endpoint accepts a URL or HTML and uses Puppeteer. Its documentation covers tagged output and page ranges. |
The /pdf endpoint does not create one continuous full-page PDF; custom full-page rendering uses the /function API. Tagged output is not certified PDF/UA, and tagging quality depends partly on accessible source markup. |
These are documented capabilities, not evidence that one service renders better than another. Compare them using the same representative documents and requirements.
How to choose: test the document, not just the endpoint
A successful API response only confirms that a file was returned. It does not show that the PDF has the right page breaks, fonts, or content. Build a small bake-off with examples from your actual workload.
#1 Best Overall
- 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.
- Input: Decide whether you need public URLs, raw HTML, uploaded files, or reusable templates.
- Rendering: Include JavaScript-heavy pages, web fonts, external resources, and content that appears after initial page load.
- Print layout: Check page size, margins, headers and footers, and CSS page breaks in the generated PDF.
- Delivery: Confirm whether you need a synchronous binary response, a hosted document, or asynchronous generation and callback handling.
- Document requirements: Test tagging, archival output, password protection, or watermarks where your workflow requires them. A tagged PDF is not automatically PDF/UA-certified.
- Operations: Exercise failure handling, request limits, output size, latency, and expected request volume. Review current pricing and data-retention terms directly with each provider.
For very long Browserless PDFs split by page ranges, its documentation warns that pages not covered by the ranges can be silently omitted. Check the requested ranges and resulting page count.
What HTML2PDF.app’s documented workflow requires
HTML2PDF.app documents a single authenticated POST to https://api.html2pdf.app/v1/generate. The request supplies the URL or raw markup in the html field; a synchronous successful response contains PDF binary data. The documentation describes headless Chromium rendering and cautions that CSS media mode, available fonts and other resources, and JavaScript load timing can affect the result. Test representative documents before relying on it in production.
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.
Check the HTTP status before saving or processing the response as a PDF. Keep the API key in a backend, server-side script, or trusted job—not browser JavaScript, public repositories, or client-side templates. Consult the provider’s documentation for the current request schema and authentication details.
Provider-listed plans and limits
HTML2PDF.app’s product page, viewed October 3, 2026, lists the following prices and limits. They are provider-listed and may change; confirm the current terms before purchasing. The page says each 5 MB chunk of a generated document uses one credit.
Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteRank #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.
| Plan | Listed price | Credits per month | Maximum file size | Concurrency |
|---|---|---|---|---|
| Free | $0/month | 100 | 1 MB | 1 |
| Startup | $9/month | 1,000 | Not stated on the product page | 3 |
| Standard | $25/month | 5,000 | Not stated on the product page | 10 |
| Scale | $39/month | 10,000 | Not stated on the product page | 20 |
These figures describe the provider’s listed plans, not a comparison of total cost across services. Estimate usage from your typical output sizes and request volume, then check each provider’s current pricing and limits.
When ScreenshotNeo is the better first alternative
If the actual deliverable you need is a screenshot rather than a paginated PDF, try ScreenshotNeo first: it returns PNG, JPEG, or WebP images from a URL, removes known consent banners, newsletter popups, and chat widgets before capture, and bills only clean shots. It is a screenshot API and MCP server, not a general HTML-to-PDF replacement; its API can also return a PDF.
For a URL-to-PDF call, the documented API uses one GET request. See the ScreenshotNeo API documentation for options and response handling:
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
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webpThe API also supports options such as page size, margins, landscape orientation, and page ranges for PDF output. If your requirement is specifically compliant archival output or complex paginated documents, verify that the available PDF controls meet it before switching.
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Or skip the browser setup
ScreenshotNeo can capture a URL without you maintaining a browser-rendering setup. Cookie banners, popups, and chat widgets are removed before the shot; bot checks, blank pages, and failed loads are never billed. Its MCP server lets AI agents take screenshots, and the free plan includes 1,000 screenshots a month with no card; paid plans start at $5 for 3,000.
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webpSign up free for 1,000 screenshots a month, with no card required.
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.
Common problems to check before launch
The response is not a usable PDF
For HTML2PDF.app, inspect the HTTP status before treating the response body as PDF bytes. Handle non-success responses as errors rather than writing an error message or other response content to a file with a .pdf extension.
Content is missing or laid out incorrectly
Check CSS media mode, font and resource availability, and JavaScript timing. Those factors can affect HTML2PDF.app output. Reproduce the issue with a representative document, then adjust the rendering setup or select an API whose documented controls match the need.
Some pages are absent from a long Browserless document
Check the page ranges: Browserless documents that pages outside the selected ranges may be silently omitted. Its /pdf endpoint also does not produce one continuous full-page PDF; use the documented /function API for custom full-page rendering.
Tagged output does not meet an accessibility target
Do not treat tagged output as certification. Browserless explicitly says its tagged output is not certified PDF/UA, and source markup affects tagging quality. Verify the output against the accessibility standard your project requires.
Quick Recap
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.
