Skip to content

NextDNS vs Preview

Professional comparison and analysis to help you choose the right software solution for your needs.

NextDNS icon
NextDNS
Preview icon
Preview

NextDNS vs Preview: The Verdict

⚡ Summary:

NextDNS: NextDNS is an alternative DNS service that provides advanced security, privacy, and performance benefits for devices connected to the internet. It blocks malware, phishing, trackers, and ads and customizes based on your needs.

Preview: Preview is a free and open-source document viewer application for macOS. It allows quick viewing of multiple file formats including images, PDFs, Markdown files, Office documents, and more. Preview has basic editing capabilities and annotation tools for PDFs.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature NextDNS Preview
Sugggest Score — —
Category Security & Privacy Office & Productivity
Pricing — Open Source

Product Overview

NextDNS
NextDNS

Description: NextDNS is an alternative DNS service that provides advanced security, privacy, and performance benefits for devices connected to the internet. It blocks malware, phishing, trackers, and ads and customizes based on your needs.

Type: software

Preview
Preview

Description: Preview is a free and open-source document viewer application for macOS. It allows quick viewing of multiple file formats including images, PDFs, Markdown files, Office documents, and more. Preview has basic editing capabilities and annotation tools for PDFs.

Type: software

Pricing: Open Source

Key Features Comparison

NextDNS
NextDNS Features
  • Network-wide ad blocking
  • Malware protection
  • Enhanced privacy by blocking trackers
  • Faster DNS resolution
  • Custom blocklists and allowlists
  • Parental controls
Preview
Preview Features
  • View PDFs, images, text files and more
  • Annotate PDFs with shapes, text boxes, signatures
  • Basic image editing tools
  • Fill out and sign PDF forms
  • Combine PDFs and export as PDF or other formats
  • Tabbed interface to view multiple files
  • Quick Look support to preview files
  • Built-in screen capture tool

Pros & Cons Analysis

NextDNS
NextDNS

Pros

  • Easy to set up
  • Works across all devices
  • Detailed analytics and logging
  • Flexible configuration options
  • Free for personal use

Cons

  • Requires changing DNS settings
  • No browser extension for granular control
  • Limited number of configuration profiles on free plan
Preview
Preview

Pros

  • Free and included with macOS
  • Fast and lightweight
  • Supports many common file formats
  • Useful annotation and editing tools
  • Easy to use interface

Cons

  • Limited functionality compared to paid alternatives
  • Lacks advanced PDF editing features
  • No OCR for scanning text in images
  • No collaboration tools

Pricing Comparison

NextDNS
NextDNS
  • Not listed
Preview
Preview
  • Open Source

Related Comparisons

uBlock Origin
vs NextDNS vs Preview
SumatraPDF
vs NextDNS vs Preview
FastStone Image Viewer
vs NextDNS vs Preview
Adobe Bridge
vs NextDNS vs Preview
K9 Web Protection
vs NextDNS vs Preview

Learn More About Each Product

NextDNS
NextDNS
Reviews, pricing & alternatives →
Preview
Preview
Reviews, pricing & alternatives →

Ready to Make Your Decision?

Explore more software comparisons and find the perfect solution for your needs

NextDNS Alternatives
Preview Alternatives
Browse More Software