RedoSan Authenticity
Online digital authenticity tool — 100% browser-based. Nothing is uploaded to any server.
Digital Watermark
9 algorithms: LSB, DCT, DWT and more
Audio Watermark
Hide secrets in WAV: LSB, Phase Coding, Echo Hiding, DSSS, QIM, DWT, Patchwork, DCT
Pixel Injection
20+ advanced pixel injection algorithms
Face Biometric
Register & verify face descriptors for visual rights
Forensic Analyzer
ELA, noise, JPEG and copy-move tamper checks
ID Forge
Generate UUIDs, ULIDs, Nano IDs, SWHIDs and more
Fingerprint
SHA-256 + perceptual image hashes
Metadata
EXIF, dimensions, format info
Timestamp
SHA-256 hashing + OTS hash verification
DID Identity
Decentralized ID + cryptographic signing
C2PA Provenance
Read & write content provenance metadata
Digital Passport
Generate signed PDF/DOCX/EPUB certificate
File Converter
Convert images between PNG, JPEG, WebP and more
Removal Tools
Strip watermarks, pixel injection, C2PA & metadata from images & audio
Document Watermark
Hide messages in text: ZWC, Homoglyphs, Whitespace