Etchv vs. NiubiGEO

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...

NiubiGEO says it organises more than 150,000 people across communities, creator circles, launch sites and developer networks to test products, create content and spread the word, and it keeps checking whether a product is found in search and in AI assistants. It also publishes open-source AI brand-visibility and competitor reports. Paid services: testing by real people and GEO optimisation.