
DocRaptor
PDFShift
PDFCrowd
pdflayer
Api2Pdf
HTML PDF API
HTML2PDF.fr
PDF my URL
Threadbound
Notion
Only DocRaptor's HTML-to-PDF API has these advanced styling and layout capabilities:
Instead of a separate HTML file, DocRaptor headers and footers are part of your document HTML. And easily show (or hide) different headers and footers for different pages.
DocRaptor lets you control the style, sizing, headers, and layouts of individual pages in your document. You can even style left and right pages differently, or the first and last pages.
DocRaptor lets you make PDFs with advanced CSS layout tools, including flexbox. You won't need to radically adjust your website to get a great PDF.
Create more accessible PDFs by using PDF profiles PDF/A-1a, PDF/A-3a, or PDF/UA-1. Tagged PDFs optimize the reading experience for assistive technology such as screen readers.
Our rendering engine was built specifically for making PDFs and we fully support CSS3 Paged Media. This allows much greater control over page breaks, especially when dealing with tables and images.
Add crop marks, specify PDF bookmarks, or create standards-compliant documents.
We back our API with a 99.999% uptime guarantee. If you need reliability, DocRaptor is the service you can trust. We also have no limits on document input or output size.
Threadbound turns messy Slack threads into clean, structured docs in Notion.
Important decisions happen in Slack threads and then disappear the moment the conversation moves on, buried under sidetracked replies and a wall of ๐ reactions. Threadbound fixes that.
React to any message in a thread with a configured emoji, and Threadbound:
No manual write-ups. No "can someone document this." React, and the doc shows up in your team's Notion database, linked back to the original thread.
Free to start, with unlimited captures on paid plans.
DocRaptor
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Threadbound's answer:
General AI assistants inside Slack (like Notion's own Custom Agents or Atlassian Rovo) are built to answer questions and search your workspace on demand. Threadbound does one thing specifically: turn a single thread into a permanent, structured record the moment someone reacts to it, no prompting, no asking the AI a question, no separate workflow to remember. It's a single emoji react, not a tool you have to learn.
Threadbound's answer:
Most Slack summarizer tools give you a paragraph. Threadbound gives you a document: a summary, the decisions that were made with the reasoning behind them (when it was actually stated in the thread), and any action items pulled out as checkboxes, published straight to Notion. It's also built for reliability rather than just a single API call, if one model returns a malformed or low-quality result, it automatically retries or falls back to another model rather than publishing something broken.
Threadbound's answer:
Small to mid-sized teams, mostly engineering and product teams, who already run Slack and Notion side by side and make a lot of decisions asynchronously in threads. It's built for teams that feel the pain of "wait, what did we actually decide?" a few times a week, not occasionally.
Threadbound's answer:
It started from a personal frustration: important decisions kept happening inside long Slack threads, and a week later nobody could reconstruct what had actually been agreed on, just an endless scroll and a pile of reactions. What began as a simple "summarize this thread" bot turned into a more serious project once it became clear that getting reliable, correctly-formatted output out of an LLM consistently is the actual hard part, not calling the API.
Threadbound's answer:
Next.js and TypeScript for the app, hosted on Vercel, with Supabase for the database and auth. It integrates with the Slack Web API and the Notion API, uses Stripe for billing, and the LLM layer is built on the Vercel AI SDK with support for multiple providers (Claude, Gemini, and others) so it isn't locked to a single model.
I've been using it for a while. It's great to create contracts.
We wanted an app that would allow for custom branding and layout, the font of our choice, and merge fields across our main SF objects. Previously we used DocGen, which led to a morass of configuration to put fields in exactly the place they needed to be for the tables, as well as a bunch of SOQL queries to manage conditional logic. The VF doc generator can't accommodate the fonts we use in our branding. And so DocRaptor has been the perfect solution.
Our developer built the contracts, and we went live within weeks with complete branding, flexibility in the data merges (we were able to remove a ton of bad config) and it's easy to manage.
I have been using DocRaptor for 6 years, both for my professionnal and personnal projects. After trying several free and/or open source HTML to PDF solutions, I was happy to find this service. It's the most efficient solution, which generates the most accurate PDF documents.
Since it's a SaaS service, there is nothing to install, no library dependencies nor experimental software that you're not sure it will be supported in the future.
There is a lot of options and CSS rules to dig in if you want to get PDF files that exactly matches what you want. But the other solutions I tried didn't have these options, and the result was not good enough.
Based on our record, DocRaptor seems to be more popular. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
It sounds like this is as advanced as DocRaptor[1]. They have what I consider to be the best PDF generation API, giving complete control over the documents you need to create. The pricing is similar. If you'd rather do it for free weasyprint[2] is the best open source alternative. Another more affordable option you might want to consider is Urlbox[3]. (Disclosure: I work on this) Urlbox's rendering engine is based... - Source: Hacker News / over 2 years ago
We built the DocRaptor API to let developers have affordable access to the commercial Prince PDF engine. We have Node code examples throughout the documentation. Source: almost 4 years ago
I'd argue our service, DocRaptor, is the best because it's the only one powered by the Prince PDF engine. Unlike open-source, browser-based conversion engines, Prince was custom-built just for converting HTML into PDFs and offers a lot of unique functionality for making more complex PDFs. Source: about 4 years ago
I work for https://docraptor.com, which is an HTML to PDF API. We have a C# agent. Source: about 5 years ago
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
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PDFCrowd - Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.
pdflayer - Free, powerful HTML to PDF API supporting both URL and raw HTML conversion. Unlimited document size, lightning-fast and compatible PHP, Python, Ruby, etc.
Api2Pdf - PDF Generation API, powered by AWS Lambda. HTML to PDF | URL to PDF | Office Doc to PDF | Merge PDFs . Supports wkhtmltopdf, Headless Chrome, and LibreOffice. No rate limits and no file size limits.
HTML PDF API - Easily generate PDF documents from HTML code with our powerful API