pdfFiller is the KeepSolidSign and WebMerge 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 & WebMerge

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 & WebMerge 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 & WebMerge 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 WebMerge
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, WebMerge
KeepSolidSign
WebMerge
No Downloads
CRMs, Google Docs, Office 365
Search Form Online
New Form and Document Creator
Host Fillable Forms
Edit PDF
Fill 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
Multiple Main Reasons Why pdfFiller Is the Perfect Alternative to KeepSolidSign or WebMerge
The handling of PDFs is quite a complex process. As in most situations, you need a number of specific platforms to to meet all of the needs. Without doubt, it really is time-consuming costly. Consequently, you just waste lots of time, funds, inner memory of you device (in the case of the software program installing), to prepare a properly formatted file. To speed up all those procedures minimize human effort try out a pdfFiller alternative.
The combo of all the features, offered at the online software will make it the best service simple records storing, editing, certification of templates. Considering the following possibilities this online provider is the powerful KeepSolidSign or WebMerge alternative. While using the service for both commercial and home use you get a lot of benefits:
An unlimited amount of storage space to keep all docs together. An access to one of the largest templates collection.
An e-signature manager for easy and fast creation of the handwritten-like signing and adding it to the documents. It saves all of the initials patterns as reusable.
The fully secure platform, using the customizable extra authorization levels for forms fillers and signers. Password guard of your templates.
The robust online PDF editor with a number of tools for a simple inserting of text, fillable boxes, erasing existing info, building the reusable fillable blanks.
Sending forms to one or several receivers, setting up notifications and reminders.
Integration with preferred CRM solutions, cloud storage, Google Docs and Gmail, and so on. Mobile applications for iOS and Android systems.
pdfFiller as an alternative to KeepSolidSign or WebMerge has even integrated fax and notarization possibilities, accessible without quitting your individual or business profile. Checking it yourself you understand all the advantages for your business and personal use, taking into consideration that those powerful functions are provided at a low price.
pdfFiller: The KeepSolidSign & WebMerge alternative that leaves no box unchecked
Create & edit PDFs online
Fill out forms
Collect data & signatures
Store documents in the cloud