ZIPLEDGER · PROFESSIONAL BROWSER TOOL

See what’s inside a ZIP.

Drop in a ZIP to inspect its central directory, traversal paths, duplicate files, encryption flags, and declared sizes—without extracting to disk or executing content.

Processed locally
Local report studioPreview · Markdown · JSON · SHA-256
SHA-256

Uses only the currently visible result summary, never input controls or original files; the fingerprint is also calculated locally.

Local analysis checkpointsUp to 5 · saved only when you choose

    Stores only the visible result summary, time, and an optional short label; imported files and input controls are never stored. Imports must match this tool and stay under 128KB; comparison also stays on this device.

    01

    EOCD and central-directory bounds

    02

    Path traversal and duplicate entries

    03

    Method, CRC, and size ledger

    The tool never extracts or executes content and covers common single-disk non-ZIP64 structure only. It cannot prove decodability, decoded CRC, password strength, benign content, or safe extraction; handle untrusted archives in isolation.

    Read the source

    NO ACCOUNT · LOCAL PROCESSING · EXPORTABLE

    Professional tools can still be quiet and transparent.

    Read privacy and limitations →