Omnifile
Free, unlimited, and secure in-browser image converter
Omnifile launched on January 17, 2024 with 6 votes, #2,120 of 4,437 launches that month. The site was still online in September 2026, 2 years on.
What it does
Omnifile is a free image converter and viewer that supports 132 photo formats. Unlike other services, it runs entirely within your browser, so your images never leave your computer and there's no charge.
Free and secure in-browser universal image converter. No file uploads required. Faster than other converters. Supports 125 formats.
At its core, a digital image is just a big table of numbers. Mathematically, you can think of it as a function that maps discrete coordinates (pixel positions) to one or more intensity values (channels), as described in Basics of Image Processing and classic digital image processing texts. For a grayscale image, each position (m, n) holds one number describing brightness; for a typical color image, each pixel stores three values, often red, green, and blue. A common configuration is 8 bits per channel, giving over 16 million possible colors, as explained in discussions of sampling and quantization . These arrays of numbers are what we save as JPEGs, PNGs, AVIFs, and other file formats,…from omnifile.co
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Hello HN, I've used a lot of image converter websites to run for my daily jobs, but they required uploading my assets on their servers which I didn't like. I decided to build it myself and publish as a website for everyone to use at no cost (since the conversion happened on your browsers) I'd live to hear your thoughts about it. Cheers,
OmniFileFeb 2026 · omnifile.app · ▲3Hello HN, I'm the developer of OmniFile. I built this tool because I was frustrated with having my data scattered across too many platforms and struggling to find what I needed quickly. OmniFile is a desktop app that lets you search through your local files and cloud services in one unified interface. Key Features: Integrations: Currently supports Google Drive, Dropbox, Box, SharePoint, Slack, and Notion. Tech Stack: Built with Tauri, React, and TypeScript for the frontend, with a Rust backend for performance and secure file handling. Privacy: It indexes your content locally, so your data…
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