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Online File Viewer
Free, browser-based viewer for Markdown, CSV, HTML and more
Free online viewer for Excel, CSV, JSON, YAML, Markdown and HTML. Open several files at once in tabs, with search, column statistics and a JSON formatter.
I got tired of using a different website for every type of file.
When working on projects, I constantly need to check Markdown, CSV, JSON, YAML, HTML, Excel files, and more. One website is great for Markdown, another for JSON, another for CSV — and after a while, I had a collection of browser tabs just for viewing files.
I also work on projects in different languages and with multiple clients. That means I often handle documents, API responses, configuration files, exports, and other data that I don't want to upload to random third-party websites.
So I thought: why not build one simple tool that solves all of these problems?
That became Online File Viewer — one place to open, preview, format, search, and work with different file formats.
Privacy was especially important to me. Since I may be working with client data or sensitive project files, I didn't want the files to be uploaded to a server just to view them. Everything runs directly in the browser, so the files stay on my device.
The goal is simple: one tool instead of many websites, for all the files I work with — privately and conveniently.
It started as a tool I needed for myself, and I decided to make it available to anyone who has the same problem.
About Online File Viewer on Product Hunt
“Free, browser-based viewer for Markdown, CSV, HTML and more”
Online File Viewer was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #64 on the daily leaderboard. Free online viewer for Excel, CSV, JSON, YAML, Markdown and HTML. Open several files at once in tabs, with search, column statistics and a JSON formatter.
On the analytics side, Online File Viewer competes within GitHub — topics that collectively have 41.4k followers on Product Hunt. The dashboard above tracks how Online File Viewer performed against the three products that launched closest to it on the same day.
Who hunted Online File Viewer?
Online File Viewer was hunted by Kim Raeder. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Online File Viewer including community comment highlights and product details, visit the product overview.
Kim Raeder