Nothing leaves this tab
Inputs, files, keys, and results stay on your device. DecodeLens has no processing backend.
Private by design · Local in your browser
See what encoded data really contains.
Decode, convert, inspect, preview, and verify text, files, API payloads, tokens, archives, certificates, and binary formats directly in your browser.
No server uploadRead-only previewsLayer-by-layer evidence
One input. Every visible layer.
The analysis engine identifies the decoded file and opens supported content locally without running active content.
Preview the file, not just its label
Open images and media, read PDF and document content, inspect spreadsheets, archives, fonts, and SQLite databases in a read-only view.