
PDFShift
DocRaptor
pdflayer
PDFCrowd
Api2Pdf
HTMLEmail.io
PDF my URL
Developer-first file conversion and website capture API: 300+ format pairs across documents, images, audio, and video, plus pixel-perfect HTML-to-PDF rendering. Plain REST, no SDK required. 100 free conversions a month, files up to 1 GB.

ChatPDF
Adobe Acrobat DC
PDFgear
PDF Expert
Smallpdf
Wondershare PDFelement
Foxit PhantomPDF
UPDF is a free, unique, productive, and delightful PDF editor for Windows, Mac, iOS, and Android.

Which is more popular?
Based on our record, UPDF seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | converterer.com | updf.com |
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| Company | Startup from Australia · 1 - 9 employees · 2018 | 2022 |
| Listed in |
In their own words, as submitted to SaaSHub.


Converterer (formerly Paperplane) is a REST API for file conversion and website capture, built for developers and no-code workflows. File conversion: convert documents, spreadsheets, presentations, images, audio, and video across 300+ format pairs: DOCX to PDF, PDF to DOCX, XLSX to CSV, PNG to...
UPDF is a free AI-powered, all-in-one PDF editor designed to provide a faster, more intuitive experience than Adobe Acrobat for users worldwide. Beyond its ability to edit text, images, and tables with Word-like precision, its standout AI assistant can instantly summarize, translate, explain, and...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of UPDF yet.
Walkthroughs and reviews on video.
Video Review Paperplane New Era 9FIFTY Snapback Cap
The Total Workflow: How I Fully Digest a Complex Chinese Article (From Start to Finish)
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Converterer and UPDF.
Converterer's answer
Two APIs under one plan and one allowance: file conversion across 300+ format pairs (documents, spreadsheets, presentations, images, audio, video) and website capture that renders any URL as a print-ready PDF with a real headless Chromium engine. Pricing is flat per conversion, so a 900 MB video costs the same as a 40 KB document, where most competitors bill credits or processing minutes that scale with file size. And there is no SDK to install: it is plain REST you can drive from cURL.
UPDF's answer:
UPDF stands out through its perfect fusion of AI-driven intelligence and aesthetic minimalism.
Deep AI Integration: Unlike traditional editors, UPDF embeds a powerful AI assistant directly into the workflow, allowing users to summarize, translate, explain, and brainstorm with their PDFs in real-time.
Design Aesthetics: It breaks away from the cluttered, "legacy" feel of software like Adobe, offering a sleek, intuitive UI that feels more like a modern design tool than a boring office application.
High-Performance Engine: It is built for speed. Even with 1,000-page high-resolution documents (like medical textbooks or technical whitepapers), the rendering is lightning-fast and lag-free.
Converterer's answer
Predictable cost and less integration work. Flat per-conversion pricing with files up to 1 GB on every plan means no surprise bills when documents get heavy. The free tier is a real recurring allowance, 100 conversions every month with no card, rather than a one-time trial. Integration is one POST request with HTTP Basic auth, HMAC-signed webhooks instead of polling, and delivery straight into your own storage bucket if you want it. The capture engine has been rendering PDFs in production since 2018, and we publish sourced, dated comparisons against competitors on our own site, including the cases where they are the better fit.
UPDF's answer:
Users choose UPDF over Adobe Acrobat or other rivals for several key competitive advantages:
One License for All Platforms: A single subscription allows you to use UPDF on Windows, Mac, iOS, and Android simultaneously. You don't have to pay for each device separately.
Unbeatable Value: It offers a richer feature set—including advanced AI, pro-grade OCR, and creative annotation tools—at a significantly lower price point than its competitors.
Advanced OCR Technology: Its high-precision OCR can turn blurry, non-searchable scans (like old invoices or handwritten research notes) into fully editable digital text with incredible accuracy.
Agile Development: The product iterates rapidly, frequently pushing new AI features and design updates to ensure users always have the cutting edge of productivity tech.
Converterer's answer
Developers adding file conversion or document rendering to their products (invoices, reports, archives, media processing), and operations or no-code builders automating the same jobs through Zapier, Make, n8n, Power Automate, or Workato. Typical users are SaaS teams generating documents at scale and teams replacing self-hosted conversion stacks they no longer want to operate.
Converterer's answer
Converterer started in 2018 as Paperplane, a focused HTML-to-PDF API built on headless Chrome. Customers kept asking for conversions that had nothing to do with HTML: DOCX to PDF, HEIC to JPG, MP4 to GIF. So the platform grew past its name, and in May 2026 it relaunched as Converterer: the same team and rendering engine, expanded to a full file conversion API with 300+ format pairs alongside the original website capture.
Converterer's answer
Website capture runs on a real headless Chromium engine, so output matches what desktop Chrome renders, including web fonts, Flexbox, Grid, and JavaScript-heavy pages. The API itself is plain REST over HTTPS with HTTP Basic authentication and HMAC-signed webhooks, and output delivery integrates with standard object storage (S3-compatible, Google Cloud Storage, Azure).
Share your experience with using Converterer and UPDF. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Converterer yet. Be the first one to post
UPDF is a state-of-the-art PDF reader for PC that can help you get your reading progress on track. The tool provides robust features to boost your productivity for managing your eBooks in real-time. With its...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Converterer since Mar 2021.
I recently bumped into Updf for Windows after adobe acrobat reader constantly took time to open the file. I really liked their interface and how minimalistic & fast it opens the file. Source: over 3 years ago
No. CutePDF Pro is paid. One-time, not a stupid subscription. Works well, but doesn't do OCR. UPDF is also a paid one, again, one-time and not a stupid subscription, and cross-platform too. It does support OCR. Source: almost 4 years ago
Found a delightful and easy-to-use PDF editor for Mac called UPDF. Source: about 4 years ago
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PDFgear is an all-in-one and powerful PDF toolkit that allows you to edit, convert, compress, merge&slipt, sign, OCR, and AI chat pdf. The interface is polished and easy to use, with the assistance of AI, you can summarize lengthy PDF with prompts.
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