Datapuddle vs. Etchv

A native Mac app for querying Parquet, CSV and .duckdb files with SQL. Millions of rows, column profiles in every header, visual query plans. Powered by DuckDB. DuckDB has been my swiss-army knife for a while now. I have a special place in my heart for polished native macOS apps. My somewhat outsized and exaggerated dislike for electron/webkit based has lead me toil away on several native macOS apps on my own...mostly to not much profit :)I wanted to build a nice DuckDB client. Though I usually reach for TablePlus, my favorite multi-db client on Macs, I felt like there wasn't a nice DuckDB oriented experience.One thing that I used DuckDB for on locally on my desktop is dealing with larger datasets. And paging is something that was annoying a...

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...