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Show HN: GPT Watermark-Remover React/Next.js tool to strip hidden AI watermarks

Hacker News - AI
Jul 3, 2025 09:29
AleksDoesCode
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Summary

A new tool called GPT Watermark-Remover has been launched, allowing users to detect and remove invisible AI-generated watermarks (like zero-width spaces and soft hyphens) from text entirely on the client side for privacy. Built with React/Next.js, it offers a free tier and highlights growing concerns about watermarking as a means of tracking AI-generated content. The tool’s existence raises questions about the effectiveness and future of watermark-based detection in the AI field.

Hi HN, I’m Aleksandar (founder @ The CodeCave GmbH). I built GPT Watermark-Remover because I needed a fast, private way to clean AI-generated artifacts out of my drafts. What it does Detects zero-width spaces, soft-hyphens and other invisible AI watermarks in text (up to 2 000 chars) entirely client-side Highlights all found markers and removes them with one click Lets you copy the cleaned text instantly Free tier available; premium plan adds higher char limits via Stripe Tech stack React & Next.js (SSR, code-splitting, minimal bundle) Tailwind CSS (light/dark mode, flat minimal UI) Supabase for anonymous session management & analytics Stripe for seamless subscription & token top-ups Why client-side? All watermark detection runs in your browser—no external APIs, no text storage, full privacy. Live demo: https://gpt-watermark-remover.com I’d love feedback on edge cases, feature requests or integration ideas—please share your thoughts! Comments URL: https://news.ycombinator.com/item?id=4
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