Is there a limit to how many files I can bundle at once?

No hard limit from the tool — very large batches will simply take longer to process since everything happens in your browser.

Does bundling reduce the total file size?

Yes, files are compressed as they're added to the ZIP, so the result is typically smaller than the sum of the originals.

Can I bundle files of different types together?

Yes, a ZIP archive can contain any mix of file types in one bundle.

Does Batch File Compressor upload my files to a server?

No. Batch File Compressor runs entirely in your browser using on-device processing, your files never leave your device.

Batch File Compressor

Bundle multiple files together into a single downloadable zip.

Runs in your browser

Drop files here

Choose File

Runs entirely in your browser, nothing is uploaded to a server.

About this tool

Sending several files as separate attachments is clunkier than sending one — more clicks for the recipient, easier for one file to get lost, and no single download that captures everything together. This tool bundles multiple files into a single downloadable ZIP in one step, giving you one file to share, attach or archive instead of managing several separately.

Frequently asked questions

GZIP Compressor

Compress or decompress a file using GZIP.

Zip & Unzip Files

Combine files into a ZIP archive, or extract files from one.

File Size Converter

Convert between bytes, KB, MB, GB, and their binary (KiB/MiB/GiB) equivalents.

File Type Detector

Detect a file's true type from its byte signature, not just its extension.

Duplicate File Finder

Find identical files among a batch by comparing their content hash.

Batch File Renamer

Rename many files at once using a pattern, and download them as a ZIP.

File Extension Changer

Rename a file's extension without converting its actual format.

Hex Viewer

View the raw bytes of any file as a hex and ASCII dump.

File to Base64 Converter

Encode any file as Base64, or decode Base64 back into a downloadable file.

File Metadata Viewer

View a file's name, size, type and last-modified date.

File Checksum Verifier

Verify a downloaded file against a published SHA checksum.

Archive Format Converter

Convert between ZIP and uncompressed TAR archives.

PDF Tools

Merge, split, compress and convert PDF files.

Image Tools

Compress, resize, crop and convert images.

Link & QR Tools

Shorten links and generate QR codes and barcodes.

Audio Tools

Convert audio files and turn text into speech, or speech into text.

Video Tools

Compress and process video files, right in your browser.

Developer Tools

JSON, encoding, hashing and text utilities for developers.

SEO & Web Tools

Meta tags, sitemaps, schema markup and other on-page SEO utilities.

Data & Spreadsheet Tools

Clean, convert and inspect CSV, TSV and tabular data.

Business Tools

Invoices, quotations, receipts and other business documents.

Social Media Tools

Resize images for social platforms, count hashtags and preview posts.