Switch from Nitro to pdfFiller for a Assemble PDF Files Online Solution For Free
Use pdfFiller instead of Nitro to fill out forms and edit PDF documents online. Get a comprehensive PDF toolkit at the most competitive price.
Drop document here to upload
Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
Note: Integration described on this webpage may temporarily not be available.
0
Forms filled
0
Forms signed
0
Forms sent
Discover the simplicity of processing PDFs online

Upload your document in seconds

Fill out, edit, or eSign your PDF hassle-free

Download, export, or share your edited file instantly
Switch from Nitro to pdfFiller in 4 simple steps
1
Sign up for free using your email, Google, or Facebook account.
2
Upload a PDF from your device or cloud storage, check the online library for the form you need, or create a document from scratch.
3
Edit, annotate, redact, or eSign your PDF online in seconds.
4
Share your document, download it in your preferred format, or save it as a template.
Experience effortless PDF management with the best alternative to Nitro

Create and edit PDFs
Instantly customize your PDFs any way you want, or start fresh with a new document.

Fill out PDF forms
Stop spending hours doing forms by hand. Complete your tax reporting and other paperwork fast and error-free.

Build fillable documents
Add fillable fields to your PDFs and share your forms with ease to collect accurate data.

Save reusable templates
Reclaim working hours by generating new documents with reusable pre-made templates.

Get eSignatures done
Forget about printing and mailing documents for signature. Sign your PDFs or request signatures in a few clicks.

Convert files
Say goodbye to unreliable third-party file converters. Save your files in various formats right in pdfFiller.

Securely store documents
Keep all your documents in one place without exposing your sensitive data.

Organize your PDFs
Merge, split, and rearrange the pages of your PDFs in any order.
Customer trust proven by figures
pdfFiller is proud of its massive user base and is committed to delivering the greatest possible experience and value to each customer.
740K
active users
239
countries
75K
new subscribers per month
105K
user reviews on trusted platforms
420
fortune 500 companies
4.6/5
average user rating
Get started withan all‑in‑one PDF software
Save up to 40 hours per month with paper-free processes
Make quick changes to your PDFs even while on the go
Streamline approvals, teamwork, and document sharing

G2 recognizes pdfFiller as one of the best tools to power your paperless office
4.6/5
— from 710 reviews
Our user reviews speak for themselves
Read more or give pdfFiller a try to experience the benefits for yourself
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
How do I combine PDF files for free?
Drag and drop your PDFs into the PDF combiner.
Rearrange individual pages or entire files in the desired order.
Add more files, rotate or delete files, if needed.
Click 'Merge PDF!' to combine and download your PDF.
How can I combine PDF files into one for free?
Drag and drop your PDFs into the PDF combiner.
Rearrange individual pages or entire files in the desired order.
Add more files, rotate or delete files, if needed.
Click 'Merge PDF!' to combine and download your PDF.
How can I combine PDF files for free?
Drag and drop your PDFs into the PDF combiner.
Rearrange individual pages or entire files in the desired order.
Add more files, rotate or delete files, if needed.
Click 'Merge PDF!' to combine and download your PDF.
How do I add files to Nitro PDF?
Add File Attachment Click the down arrow next to Annotate button. in the Toolbar to reveal the tools. Select the Attachment tool. . Click anywhere on a page in your document. A menu will appear where you can search and select the file you want to attach.
How to combine PDFs in Nitro PDF?
Today we'll review two easy ways to combine files with nitro. First from within the applicationMoreToday we'll review two easy ways to combine files with nitro. First from within the application choose combine under the home tab. Here you can add open files folders or files from windows explorer.
How can I join PDF files together?
Open Acrobat to combine files: Open the Tools tab and select "Combine files." Add files: Click "Add Files" and select the files you want to include in your PDF. Merge multiple PDF documents, images & files | Adobe Acrobat Adobe https://.adobe.com › merge-combine-pdf-files-online Adobe https://.adobe.com › merge-combine-pdf-files-online
How do I combine multiple PDF files into one PDF?
Follow these easy steps to combine PDF documents into one file: Click the Select a file button above or drag and drop files into the drop zone. Select the files you want to merge using the Acrobat PDF combiner tool. Reorder the files if needed. Click Merge files. Sign in to download or share the merged file.
How do I attach a PDF in Nitro?
Add File Attachment Click the down arrow next to Annotate button. in the Toolbar to reveal the tools. Select the Attachment tool. . Click anywhere on a page in your document. A menu will appear where you can search and select the file you want to attach. Adding File Attachments - Nitro PDF Nitro PDF https://.gonitro.com › user-guide › mac › article › a Nitro PDF https://.gonitro.com › user-guide › mac › article › a
Join 64+ million people using paperless workflows to drive productivity and cut costs