Watermark is a local-first web app for inspecting C2PA credentials & understanding provenance: media text & other file types. In-browser verification - computes a SHA-256 digest - distinguishes valid signatures from trusted issuers & displays manifest lineage. AI detection tools + strip and unslop text files. No external uploads.
provenance watermark watermarking text-watermark watermark-tools watermarking-image watermark-detection watermark-video watermarks watermark-pdf c2pa provenance-visualization text-watermarking ai-text-detector ai-detection ai-text-detection ai-provenance provenance-graph text-watermarks
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Updated
Sep 11, 2026 - TypeScript