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Use pdfFiller’s API to incorporate the functionality of our PDF editing solution into your C# based applications. Explore how you can Merge PDF Files to manage and automate any document-driven workflow
Take advantage of the work that we have already done. Access the power of pdfFiller document editing with the C# PDF API and Merge PDF Files with ease.
Upload a document
A contract, medical form, questionnaire, or any other document.
Add fillable fields
Simply drag and drop fields and adjust their size.
Customize your app
Give permission to use editing tools, add fillable fields, and more.
Get and embed a code
Preview the code, make edits, and have your app running in no time.
Add powerful PDF editor and form builder to your website faster with Embed pdfFiller, a comprehensive SDK designed for no-code application building
This program has allowed us to reduce the amount of time it was taking to complete our main work task by at least 50%. The only significant improvement that would increase our experience would be the ability to rotate any specific text input by 90 degrees.
Dave
5.0
easy to use , quick , efficient saves me time . switched from ADOBE which WAS a good product but no more. crashed so often that I could barely complete one report in a day. I did this one in less than an hour. Thank you
Carmen N
4.0
Surprised I had signed up for a year
It worked as I expected. Only needed it to print once but ended up using it twice. Not sure when I will need it again
Not sure if I can cancel or if it is automatically renewed. May never use again so I hope I will get a message that I can continue or decline.
Ray D.
Benefit from all the work pdfFiller’s engineers put into the PDF API
Customize and embed a ready-to-use piece of code for smooth data collection. Delight your customers with an excellent digital experience.
Enjoy the ease of creating and embedding a wide specter of PDF editing features into your website. There is no need to dive deeper into coding and API technicalities while configuring C# PDF API to Merge PDF Files.
Set up native pdfFiller experiences for your clients and partners without the need for them to install or register an account with pdfFiller.
From document editing and annotation to eSignature and seamless data routing, pdfFiller saves you time and money. Benefit from our C# PDF API to Merge PDF Files and easily optimize your data collection processes.
Get all the help and easy-to-follow guides to leverage PDF editing and document execution functionality in your website in a matter of minutes.
Robust features
Bring the best PDF editing and document annotation tools to your website in minutes.
Support for multiple file formats
Choose from various supported formats to upload: PDF, DOC, DOCX, RTF, TXT, PPT, PNG, and JPEG.
Simple guided setup
Get straightforward and easy-to-follow documentation and a guide to refer to as you set up an application.
Use our extensive toolkit for setting up C# + PDF API to Merge PDF Files and start making the difference to your daily document-based workflows. Join millions of satisfied pdfFiller users today.
Quick start
Tools and features to get the apps up and running in less than 10 minutes.
Impressive productivity
25 MB document load speed when opening the embedded PDFs in the Editor.
Fully customizable
No-code customization. Extended options for developers.
What’s in the box
We offer the all-in-one suite of tools to work on documents online, from viewing documents
to converting them to different file formats and creating fillable forms. We also offer
excellent 24/7 support if you ever need help.
Embedded PDF editor
Allows you to view, mark up, fill out, e-sign, and convert documents into different formats.
Fillable form builder
Transforms any document into an online form that is so easy to fill out for customers or employees.
Easy-to-use no-code app creator
Guides you through the process of creating an app step-by-step.
How do you Merge PDF Files? Below are a few steps to help you get started:
In the Templates section of the API reference, select the action you’d like to complete: upload a template from your device or by using a URL.
5.
In the code box on the right, select your preferred programming language and insert a document URL.
6.
A broad array of pre-made API code examples are available for testing various API actions.
Discover our robust suite of tools for C# PDF API to Merge PDF Files
Intuitive dashboard
Create, launch, edit, and deactivate applications from the comfort of your Dashboard. Configure C# PDF API to Merge PDF Files in minutes.
Page layout and text manipulation
Adjust your fillable fields’ width, set up an order in which they should be filled out, and customize other related settings.
Corporate branding
Keep your brand identity consistent across different channels, including on-site fillable forms. Personalize your documents by adding a custom logo.
Native pdfFiller’s experience for users
Take advantage of C# PDF API to let users Merge PDF Files without software download or account registration.
Multi-option export
Save and download completed forms in PDF, PDF fillable, or PDF BLOB files. Print the documents directly from Embed pdfFiller SDK.
Extensive support
Increase the accuracy of document completion by enabling the Wizard mode and Help option that will help your users go through the entire completion process.
