pdfFiller is the most cost-effective alternative to Solid Converter and Pdf.to

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

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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT

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Last updated on Sep 20, 2025

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 Solid Converter & Pdf.to

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 Solid Converter & Pdf.to 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.

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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

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The leading Solid Converter & Pdf.to 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 Solid Converter and Pdf.to

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

Most helpful, user-friendly PDF editor I've ever used!

Anonymous Customer

5

PDFfiller for Real Estate Overall this software has made is easier to get paperwork to my clients and have the fill in and sign online. This software is great for my business. I can easily send over pdf files and they can fill them our and sign all online. It is convenient and easy to use. This software performs well and there is nothing negative to report. It is a great way for clients to file out paperwork and sent back to me when they are finished.

Jessica H.

Check out the competition

Try the best Solid Converter alternative - pdfFiller

pdfFiller is a professional, multi-platform online editor that contains a number of benefits comparing to Solid Converter or Pdf.to. Aside from the extensive selection of PDF-editing tools, our online solution has a number of additional features but modifying: digital signature, form library etc. With its vast array 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 desktop and mobile, and on any operating system.

Just a few reasons why pdfFiller is such a great Solid Converter alternative:

Text editing: highlighting, redlining, inserting fillable fields and more

Integrations with cloud storage services, CRMs, email providers, Slack and much more

Cross-platform access

Comprehensive security and the latest in encryption technology for protecting your files’ sensitive data

The option to add watermarks and images to your documents

Powerful conversion features; merging, extracting, rotating, rearranging etc.

Comparing to Solid Converter vs Pdf.to, pdfFiller provides two-factor authentication to verify your e-signature and eliminates the risks. Using new fillable fields, you can fill out the required data within seconds. Choose pdfFiller for a professional document management solution.

pdfFiller: The Solid Converter & Pdf.to alternative that leaves no box unchecked

Create & edit PDFs online

Fill out forms

Collect data & signatures

Store documents in the cloud

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