swapfile.io
99 free file tools that never upload your files
What is swapfile.io?
swapfile.io is a hub of 99 free tools that run in your browser: convert images, PDFs and audio, crop/rotate/watermark images, strip EXIF/GPS/C2PA metadata, and use developer & CTF utilities (file analyzer, hash & cipher ID, regex, diff, QR, JWT, base64…). Most tools process your file entirely on-device — nothing is uploaded, and there's no tracking. Free, no sign-up, available in 14 languages.
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