
Apryse
GroupDocs
PSPDFKit
Docs Online Viewer
File Viewer and Reader
Firefox PDF Viewer (PDF.js)
MuPDF
Preview Office, PDF, CAD, archives, and 208 file extensions in the browser. Workers, WASM, fonts, and vendor assets stay on your network.

Convertio
iLovePDF
Smallpdf
Zamzar
TinyPNG
iLoveIMG
Online Convert
convert anything to anything - more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.

Which is more popular?
Based on our record, CloudConvert seems to be more popular. It has been mentioned 43 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | file-viewer.app | cloudconvert.com |
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What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of FileViewer.app yet.
Overall verdict
Why this product is good
Recommended for
CloudConvert is recommended for users who regularly need to convert files between different formats, whether for personal, educational, or professional purposes, and prefer an online solution that doesn't require software installation.
Walkthroughs and reviews on video.
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Cloudconvert setup
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using FileViewer.app and CloudConvert. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Users highlight Docpose.cloud’s reliability—no failed conversions even on rare formats. CloudConvert gets praise for quality tweaks but frustrates with daily resets. iLoveIMG is loved for extras like AI, but free...
CloudConvert also comes with extensive API Documentation that developers can use to get started with this API as quickly as possible. It even has a Job Builder that can create ready-to-use request payloads and code...
In addition, CloudConvert offers a wide range of features, making it a good choice for both individuals and businesses. The service supports over 200 different file formats, making it one of the most comprehensive...
Recommendations tracked on public social media and blogs since March 2021.


Tracking FileViewer.app since Jul 2026.
General converters like CloudConvert handle dozens of formats including PDF→Markdown. They're convenient when you already use them for other conversions. - Source: dev.to / 4 months ago
I tried 3 options, for converting a DWG to a DXF -- FreeCAD, CloudConvert and LibreDWG, and I will be Talking about how all 3 options failed for me. - Source: dev.to / 4 months ago
Convert the PDF to an image using a tool like pdf2png.com or CloudConvert. - Source: dev.to / 11 months ago
When comparing FileViewer.app and CloudConvert, you can also consider the following products.

Integrate document processing capabilities into any software applications. Generate, convert, view, edit, and sign pdf and documents easily.
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GroupDocs is a web-based service for online document sharing, collaboration and management.
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PSPDFKit is the best framework for working with PDF files. Our SDK provides first-rate PDF solutions for your application with features like annotating, signing, and form filling. We power successful projects for businesses across the globe.
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PDF document management and conversion suite
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