File Tools

Manage files effortlessly: convert, compress, extract, and organize files online. Fast processing with privacy-first design and no uploads.

25 tools available

Audio Tools 1

Audio Converter

Convert audio between MP3, WAV, OGG, AAC, FLAC and OPUS in your browser. Bitrate, sample-rate and mono/stereo control, all local, no upload required.

Data Tools 3

CSV to Excel

Open CSV in Excel without uploading. Auto-detect comma, semicolon or tab delimiters, keep UTF-8 and leading zeros as text, and export clean .xlsx offline.

Excel to CSV

Convert Excel (.xlsx, .xls) to CSV in your browser, no upload. Choose sheet, delimiter, UTF-8 BOM and RFC 4180 CRLF/LF line endings for clean imports.

CSV Splitter

Split large CSV or TSV files by rows or size to fit Excel's 1,048,576-row limit. Header preserved, random sampling, 100% local in-browser, free.

File Tools 15

7Z Extractor

Extract 7Z, RAR, ISO, TAR.BZ2, XZ, CAB and password-protected archives in your browser via libarchive. Preview files, no upload, total privacy.

Batch Rename

Batch rename files online: regex find/replace, prefix/suffix, sequential numbering, change case, ZIP download. 100% in-browser, private, no upload.

File Compare

Compare two text, code, JSON or CSV files line by line with syntax highlighting. Ignore whitespace, case or CRLF/LF. 100% in-browser, no upload.

File Compressor

Compress files privately in your browser with GZIP, ZIP or DEFLATE. No upload needed. Ideal for logs, CSV, JSON and SQL dumps. Lossless, fast and free.

File Hex Viewer

Open any file as a hex dump in your browser. View offsets, hex, ASCII. Auto-detect the file type from magic bytes and flag extension spoofing privately.

File Splitter

Split files by size or count, extract PDF page ranges, and verify each part with SHA-256 checksums. Private, offline browser processing, no upload.

Hash Checker

Calculate AND verify MD5, SHA-1, SHA-256, SHA-512 file hashes in your browser. Paste the publisher's expected hash and get an instant Match / Mismatch result.

Hex File Compare

Diff two binary files byte by byte with side-by-side hex dump, offsets and ASCII. Get per-file SHA-256 and CRC32 checksums. 100% browser-side. Verify downloads.

Merge Files

Reassemble 001/002 split parts into one file, combine binary chunks in custom order, then verify the checksum. Browser-side merge, no upload.

Metadata Viewer

Inspect any file's metadata and verify its SHA-256: real MIME by magic bytes, size, EXIF + GPS, ID3 audio, video codecs, PDF info — in-browser, no upload.

RAR Extractor

Extract RAR archives, including password-protected ones, 100% in your browser. No upload, no install, fully private. RAR4 and RAR5, up to 200 MB.

TAR / GZ Extractor

Open TAR, TAR.GZ, TGZ and GZ archives in your browser. Preview files, download selected items, and verify each with a SHA-256 checksum. Fully private.

Type Detector

Detect a file's real type by its magic number, not its extension. Catch spoofed extensions, mismatched MIME types, and executables disguised as images.

Unzip Files

Extract ZIP files in your browser: browse contents, preview, and pull single files from large archives without unpacking the whole ZIP. Up to 100 MB, no upload.

Zip Files

Create ZIP archives in your browser with AES-256 password protection, folder structure preservation and ZIP64 large-file support. 100% private, no upload.

Image Tools 1

HEIC to JPG

Batch convert iPhone HEIC/HEIF photos to JPG, PNG, or WebP offline in your browser. Private, no upload, Live Photo support, download all as ZIP.