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Description
AiDO for Developers is a PDF SDK, REST API, and web SDK platform from Avanquest. It lets you add PDF viewing, editing, conversion, OCR, signing, and AI data extraction to your software with a few lines of code, instead of building and maintaining document infrastructure yourself.
Built on technology Avanquest has run in production for 20+ years, it replaces separate libraries and vendors with one integration:
PDF API: cloud REST API for converting, merging, splitting, compressing, OCR, watermarking, protecting and signing PDFs, plus AI data extraction. Works in any language; files up to 100 MB run asynchronously with webhooks.
PDF SDK: native SDK for Windows and Linux (C++ and C#/.NET) covering forms, annotation, editing, conversion, OCR, signatures and protection.
PDF Web SDK: white-label, WebAssembly-based PDF experiences with theming, annotation, redaction, signing and forms.
WebApp: drop-in web component for viewing, annotating and searching PDFs.
Deployment: use the cloud API, or run the SDKs on-premise so documents stay in your environment. Cloud files are deleted 10 minutes after processing. An open-source MCP server connects Claude Desktop to the PDF API.
Pricing: all features are included in every plan. Cloud API: Free (500 documents, 30 days), Starter $6,000/year, Scale $36,000/year, Enterprise custom. PDF SDK: Starter $5,000/year, Scale $25,000/year, Enterprise custom. Billed annually in USD.
Support is standard, priority or dedicated by plan, with API and SDK documentation.
Description
WebPDF is an online service that provides an easy an accessible way to alter PDF files. You can do any of the following operations using the web interface, but there's also a developer friendly API that you can integrate into your own application:
Merge multiple PDFs
Split PDF
Compress PDF
Extract PDF metadata
Flatten PDF forms
Extract images from PDF
Extract text from PDF
Lock & Unlock PDF
OCR PDF
Change PDF size
Change PDF version
Watermark PDF
Optimize PDF for web
Etc.
There are many other tools not mentioned here and lots more to be released. You can try WebPDF for free, even without an account.
API Access
Has API
Yes
API Access
Has API
Yes
Integrations
Claude Desktop
No
Model Context Protocol (MCP)
No
Pricing Details
$5,000/year
Cloud API (USD, billed annually): Free $0 (500 documents, valid 30 days, all 37 operations, no commitment). Starter $6,000/year (~10,000 docs/month, all API features, 1 API key, standard support, overage $0.05/doc). Scale $36,000/year (~100,000 docs/month, all API features, 3 API keys, priority support, optional SLA, overage $0.03/doc). Enterprise: contact sales (100,000+ docs/month, effective $0.015-$0.02/doc, dedicated support, custom contract, SLA and MSA, on-premise hosting available). 1 document = one API operation on one file (up to 50 pages, 100 MB max). PDF SDK (USD, billed annually, all features included in every plan): Starter $5,000/year (1 developer, 250 end users, 1 application). Scale $25,000/year (3 developers, 5,000 end users, 2 applications). Enterprise: contact sales. Additional developer: $5,000/year.
Free Trial
Yes
Free Version
No
Pricing Details
$4/month
Free Trial
No
Free Version
Yes
Deployment
Web-Based
Yes
On-Premises
Yes
iPhone App
No
iPad App
No
Android App
No
Windows
Yes
Mac
No
Linux
Yes
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Customer Support
Business Hours
Yes
Live Rep (24/7)
No
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Vendor Details
Company Name
Avanquest
Founded
1984
Country
France
Website
developers.avanquest.com
Vendor Details
Company Name
SC Dailydriven United SRL
Founded
2018
Country
Romania
Website
webpdf.xyz/