Alternatives
Products that do what swapfile.io does
99 free file tools that never upload your files
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Free & Safe online file converter. No ads. No bs.
7d ago · convert.softorino.com
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90+ browser tools. No upload. Files never leave your device.
4d ago · ihaveatoolforthat.com
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Most file converter sites upload your files to their servers. File Converter Free runs everything client-side using WebAssembly — your files never leave your device. 215+ formats across conversion and compression, 75+ browser-based tools for PDF, dev utilities, text, calculators and network diagnostics — all available in 9 languages. Built this solo. What tools do you wish ran client-side but currently don't? https://file-converter-free.com/en/tools
Mar 2026
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2023 · filesampleshub.com
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PrePriv▲2Privacy First File Tools - Free, No Signup, 100% Client Side
5d ago · prepriv.coralsparkventures.com
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Free browser-based file tools — nothing uploaded to a server
19d ago · websitegeek.net
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2017 · photopdf.com
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Hi HN, I’m Linn, the creator of ToolKuai (https://toolkuai.com). Like many of you, I’ve always been wary of "free" online file converters. Most of them are black boxes: you upload your private documents or images to a remote server, and you have no idea where that data ends up or how it’s being used to train models. I wanted to build a suite of tools (Video/Image compressor, OCR, AI Background Remover) that runs entirely in the browser. No files ever leave your machine. The Tech Stack To make this performant enough to rival server-side processing, I leaned heavily into modern…
Jan 2026 · toolkuai.com
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