Etchv vs. Smart Blur

Add an invisible watermark to images, PDFs and video, then detect it to see which copy was shared. Forensic watermarking API with a free trial. Hello HN!The inspiration for Etchv came directly from friends who raised concerns about the growing ease of unauthorized media copying without attribution. To address this, Etchv embeds an invisible watermark inside images, PDFs, or short videos that survives modifications like screenshots, format changes, and file compression.You can try it on our homepage without signing up. There's also a live demo where a watermarked PDF page gets screenshotted and the watermark ID is still successfully recovered: https://etchv.com/demo/traceInstead of training a model from scratch...

Blur sensitive data automatically when you share your screen. A free Chrome extension that hides emails, phones and IDs on your device, with no account. Hi folks, I'm Vicky. I build privacy tools that use local AI, on late nights and weekends.Smart Blur is a Chrome extension that blurs sensitive info on any web page before anyone else sees it. There are already a few tools like this, so why another one? Two reasons:Local AI for unstructured PII. Most existing tools use regex, which handles emails, phones and card numbers but can't find names or addresses in plain text. Smart Blur runs OpenAI's Privacy Filter (Apache-2.0) locally on WebGPU. The model is a one-time ~810 MB download from Hugging Face, cached in the browser, and it...