Local File Tools
Inspect, verify and transform selected files directly in your browser without uploading their contents or using downloader workers.
Clear Standard PDF Metadata Locally
Clear standard title, author, subject, keyword, creator and producer fields from a PDF copy entirely in your browser without uploading the selected file.
Open tool →Flatten PDF Form Fields Locally
Bake supported interactive form field appearances into a non-editable PDF copy entirely in your browser without uploading the selected file.
Open tool →Local File Hex Viewer
Inspect a bounded hexadecimal and ASCII preview with exact byte offsets entirely in your browser without uploading the selected file.
Open tool →Local File Entropy Analyzer
Measure byte distribution and Shannon entropy to assess how varied file contents are entirely in your browser without uploading the selected file.
Open tool →Printable Strings Extractor
Extract bounded ASCII text runs from a binary file without uploading its contents entirely in your browser without uploading the selected file.
Open tool →Local File Chunk Extractor
Copy an exact byte range from a large file into a separate binary result entirely in your browser without uploading the selected file.
Open tool →Text Line Ending Analyzer
Count CRLF, LF and CR separators and identify mixed newline styles entirely in your browser without uploading the selected file.
Open tool →Text Line Ending Converter
Normalize text to Windows, Unix or classic Mac line endings and download a UTF-8 copy entirely in your browser without uploading the selected file.
Open tool →Byte Order Mark Detector
Identify common UTF byte order marks from the first bytes of a local file entirely in your browser without uploading the selected file.
Open tool →Remove Byte Order Mark Locally
Remove one recognized leading Unicode byte order mark while preserving every remaining byte entirely in your browser without uploading the selected file.
Open tool →Local Binary File Comparer
Compare two files byte for byte and report the first differing offset entirely in your browser without uploading the selected file.
Open tool →Create a ZIP Archive Locally
Package up to 50 selected files into one compressed ZIP archive entirely in your browser without uploading the selected file.
Open tool →Batch Image Resizer to ZIP
Resize multiple images to one bounded set of dimensions and collect the results in a ZIP entirely in your browser without uploading the selected file.
Open tool →Batch Image Compressor to ZIP
Re-encode multiple images as adjustable-quality WebP files and download one ZIP entirely in your browser without uploading the selected file.
Open tool →Batch Image Format Converter to ZIP
Convert multiple browser-readable images to PNG, JPEG or WebP and collect them in one ZIP entirely in your browser without uploading the selected file.
Open tool →ZIP Archive Content Viewer
Inspect file paths and declared compressed sizes inside a ZIP without extracting them entirely in your browser without uploading the selected file.
Open tool →Extract One File from ZIP Locally
Select and download one safely named file from a bounded ZIP archive entirely in your browser without uploading the selected file.
Open tool →ZIP Archive Integrity Checker
Verify every bounded ZIP entry against its stored CRC32 checksum in the browser entirely in your browser without uploading the selected file.
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