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A FOCUSED COLLECTION

File utilities

Package and inspect local files, check hashes, and create or read QR codes.

Start with a common task

ZIP creator File hash checker QR code generator File type inspector

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10 tools available

ZIP creator

Package local files or a supported folder into a ZIP archive.

ZIP extractor

Inspect and extract selected ZIP entries with expansion limits.

File hash checker

Compute SHA-256 and compare a local file with an expected checksum.

File size calculator

View individual and combined byte sizes of selected files.

File metadata viewer

Inspect name, declared MIME, detected format, size, and modified date.

Batch file renamer

Preview renamed copies and download them in a ZIP.

QR code generator

Generate local QR codes as PNG or SVG with size and correction controls.

QR code reader

Decode a QR code from a local image without opening its links.

Data URL converter

Convert a small local file to a data URL or decode one to a file.

File type inspector

Compare extension and MIME metadata with supported magic bytes.

Choose the right workflow

Use ZIP creator for several files, hash checker to compare a checksum, and QR generator for a scannable link or text. Inspect unknown archives before extracting.