Dev tools · alternatives · 2026

24 alternatives to Viewer.Online — Preview Any File

Open 20,000+ file formats instantly in your browser

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Docs Online Viewer▲104

   View any file online, directly in your browser

   2016 · dov.parishod.com · its alternatives →

2. 2
   Chrome Extension to view any files in your browser▲45

   2016 · chrome.google.com · its alternatives →

3. 3
   Cloud File Viewer▲72

   Preview files on Google Cloud Storage with ease

   2023 · chromewebstore.google.com · its alternatives →

4. 4
   File Viewer▲7

   Preview Office, PDF, CAD and more in the browser

   Jul 2026 · file-viewer.app · its alternatives →

5. 5
   FileParty▲145

   Watch local files together in real time

   2020 · fileparty.co · its alternatives →

6. 6
   A web front end for your Org-files▲92

   emacs-viewer - A web frontend for your Org-files (100% faithful to GNU+Emacs!)

   2022 · codeberg.org · its alternatives →

7. 7
   Obie for Chrome▲110

   Free browser extension to help you find docs & wikis, fast.

   2020 · chromewebstore.google.com · its alternatives →

8. 8
   File Viewer and Reader▲4

   Allows you to open almost any file in the browser.

   2022 · file-viewer-b338f.web.app · its alternatives →

9. 9
   Online File Viewer▲1

   Free, browser-based viewer for Markdown, CSV, HTML and more

   Aug 2026 · online-file-viewer.github.io · its alternatives →

10. 10
    Files App▲78

    Single-file PHP file manager, browser and photo gallery

    2021 · files.gallery · its alternatives →

11. 11
    Office Viewer ▲12

    Free View Office files without installing anything

    2025 · officeviewer.org · its alternatives →

12. 12
    Markdown Viewer and Editor▲34

    Free markdown viewer and editor that runs entirely in your browser. Drag & drop a .md file to read it beautifully rendered, edit it, and save it back — nothing is ever uploaded.

    Aug 2026 · kingsbridge-consultancy.com · its alternatives →

13. 13
    Files Previewer▲3

    You can easily and directly access the files stored in Files

    2020 · apps.apple.com · its alternatives →

14. 14
    CSV Viewer Online▲2

    Open and explore CSV files in your browser

    Jun 2026 · csvvieweronline.com · its alternatives →

15. 15
    DocPreview

    Preview documents directly in browser and no download doc.

    Mar 2026 · previewdocument.com · its alternatives →

16. 16
    uDocumentViewer▲4

    Open any file in your browser — 216 formats, zero uploads

    Jul 2026 · udocumentviewer.com · its alternatives →

17. 17
    yourbrowsercandoit▲5

    Your browser can do much more than you think.

    Jul 2026 · yourbrowsercandoit.com · its alternatives →

18. 18
    FormatDog▲8

    PDF, image, and Office tools — nothing ever uploaded

    Jul 2026 · formatdog.com · its alternatives →

19. 19
    Download websites for free▲9

    Download websites with all resources using this free tool

    2019 · getweb.me · its alternatives →

20. 20
    Download & Edit All Images▲2

    Chrome Extension to Download & Edit Any Image on any Website

    2019 · its alternatives →

21. 21
    Convt▲12

    100% local first file convert

    Jan 2026 · convt.app · its alternatives →

22. 22
    File and Urls Hacker check▲12

    Search for Malicious Files and Urls easily from your browser

    2025 · chromewebstore.google.com · its alternatives →

23. 23
    CSV Viewer▲3

    Open and explore CSV files right in your browser

    Jul 2026 · csv-viewer.online · its alternatives →

24. 24
    No BS Markdown Viewer▲4

    Fast, local Markdown viewer for Chrome. No settings. No BS.

    May 2026 · chromewebstore.google.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →