pdfFiller is the KeepSolidSign and PDFzorro alternative that respects your time and budget
Over 64 million users choose pdfFiller for its award-winning ease of use, comprehensive functionality, and unbeatable 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.
G2 recognizes pdfFiller as one of the best tools to power your paperless office
4.6/5
— from 710 reviews
Experience effortless PDF management with the best alternative to KeepSolidSign & PDFzorro

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.

Organize your PDFs
Merge, split, and rearrange the pages of your PDFs in any order.

Securely store documents
Keep all your documents in one place without exposing your sensitive data.
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
Switch from KeepSolidSign & PDFzorro 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.
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

The leading KeepSolidSign & PDFzorro alternative for SMBs and enterprises
Break free from paperwork setbacks with digital workflows.
Advanced eSignatures
Enterprise-ready features
Integrations and API
Organizations & Admin Dashboard
Find out why users choose pdfFiller over KeepSolidSign and PDFzorro
Read more or give pdfFiller a try to experience the benefits for yourself
9.1
Ease of Use
9.0
Quality of Support
9.2
Ease of Setup
Pdf Editor Online: Try Risk Free
This chart represents a partial list of features available in pdfFiller, KeepSolidSign, PDFzorro
KeepSolidSign
PDFzorro
No Downloads
CRMs, Google Docs, Office 365
Search Form Online
New Form and Document Creator
Host Fillable Forms
Edit PDF
Fill Online
Sign Online
PDF Converter
Annotate PDF
Search Text in PDF
Add Watermark, Images and Video
Collaborate and Versions
Encryption and Security
Two-Factor Authentication
Unlimited Cloud Storage
Fax Online
Track Sending Documents
Free Mobile App
API
Several Main Reasons Why pdfFiller Is an Ideal Alternative to KeepSolidSign or PDFzorro
Managing PDFs is quite a complex activity. As in most situations, you need several specific solutions to to meet all the needs. Without doubt, it’s time-consuming costly. Consequently, you simply waste lots of time, funds, internal memory space of you device (in a case of the application installing), to get a professional document. To improve all those operations minimize human effort try out a pdfFiller alternative.
The combination of all the tools, available at the online software makes it the best service for the simple documents storing, editing, signing of templates. Considering the following features this on-line provider is an innovative KeepSolidSign or PDFzorro alternative. While using the platform for office and home use you receive numerous profits:
A limitless amount of storage to keep all docs together. An access to one of the widest web-forms library.
An esignature maker for quick and simple creation of the handwritten-like signing and embedding it to the files. It saves each of the initials patterns as reusable.
The fully safe platform, using the customizable additional authentication levels for forms fillers and signers. Password protection of the samples.
The robust on-line PDF editor with a number of features to have an effortless typing of text, fillable boxes, deleting existing data, creation of the reusable fillable blanks.
Sharing docs to one or more receivers, creating notifications and alerts.
Integration with multiple CRM solutions, cloud storage, Google Docs and Gmail, etc. Mobile applications for iOS and Android platforms.
pdfFiller as an alternative to KeepSolidSign or PDFzorro has even built-in fax and notarization options, accessible without quitting your personal or corporate account. Checking it yourself you realize all the value for your company and private use, considering that those powerful features are provided at a low price.
pdfFiller: The KeepSolidSign & PDFzorro alternative that leaves no box unchecked
Create & edit PDFs online
Fill out forms
Collect data & signatures
Store documents in the cloud