Toolz24
PDF, video and AI tools that never upload your files
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Toolz24 - PDF, video and AI tools that never upload your files

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164 free online tools that never upload your files: compress and OCR PDFs, image, video and audio tools, calculators, converters and more. No sign-up.Edit and sign PDFs, transcribe audio with Whisper, compress video, remove backgrounds and make passport photos, all inside your browser. Files never leave your device. No sign-up, no limits, no watermark, works offline.

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Hi Product Hunt! I built Toolz24 because every "free" PDF or transcription site I tried wanted me to upload private documents to a server I knew nothing about: bank statements, contracts, interview recordings. Toolz24 runs the heavy lifting in your browser with WebAssembly: • PDFs: edit, sign, compress, OCR, merge, password-protect and unlock with pdf-lib and qpdf • Audio and video: transcribe with OpenAI's Whisper model and convert or compress with FFmpeg, all running locally • Images: AI background removal and 4× upscaling on your own device • Everyday tools: resume and invoice builders, passport photos, HEIC to JPG, plus 100+ calculators and converters Open your browser's network tab while you use a tool: your file never goes anywhere. There's no account, no daily cap and no watermark, and once installed it works offline. I'd love feedback on which tool you'd want next, and anything that breaks on your device.