Struggling with LightPDF or MuPDF? pdfFiller is a highly-rated alternative.

Over 64 million users choose pdfFiller for its award-winning ease of use, comprehensive functionality, and unbeatable price.

Experience effortless PDF management with the best alternative to LightPDF & MuPDF

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.

Switch from LightPDF & MuPDF 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 with
an 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
Decoration

The leading LightPDF & MuPDF 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 LightPDF and MuPDF

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
5
good product to fill forms and modify others
Patrice R
5
So far, it's fairly intuitive. There are some features locked out for the basic subscription.
Amy

The best alternative to LightPDF and MuPDF

pdfFiller is a professional, multi-platform online editor that contains a number of benefits comparing to LightPDF or MuPDF. Apart from the rich selection of PDF-editing tools, our online solution has a number of additional features but modifying: digital signature, form library etc. Having its wide range of abilities, you can customize the online editor to suit whatever need you have. Moreover, being a web-based solution, pdfFiller works equally well on mobile and desktop, and on any OS.
Get all you need to create PDF files efficiently:
Options for editing text: highlighting, redlining, adding fillable fields and much more
Comprehensive security and the latest in encryption technology for protecting your files’ sensitive data
Integrations with cloud storage services, CRMs, email providers, Slack
Cross-platform access
Powerful conversion features; merging, extracting, rotating, rearranging etc.
The ability to insert watermarks and images to the documents
Comparing to LightPDF vs MuPDF, pdfFiller provides two-factor authentication to verify your e-signature and eliminates the risks. Our team is constantly working on improving the customer experience with new features. Using fillable fields, you can fill out the required data in a matter of seconds. Choose pdfFiller for a professional document management solution.