Files Converter
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File & Archive Tools

Learn the formats, choose the right workflow, and use browser-based tools without uploading supported file content.

Popular tools

File ChecksumCalculate a SHA-256 checksum without uploading the file. File Size ConverterConvert between bytes, KB, MB, GB, and TB. MIME Type CheckerInspect a file name, MIME type, and basic size information. File Name CleanerCreate a safer clean file name from messy text. Batch File RenamerDownload files in a ZIP with consistent sequential names. Data URL GeneratorConvert a local file into a data URL. File to Base64Encode a local file as Base64 text. Base64 to FileDecode Base64 text into a downloadable file. Zip FilesZip Files runs entirely in your browser. Files are never uploaded to our server. Unzip FilesUnzip Files runs entirely in your browser. Files are never uploaded to our server. Archive File ListArchive File List runs entirely in your browser. Files are never uploaded to our server. Duplicate File FinderDuplicate File Finder runs entirely in your browser. Files are never uploaded to our server. File ChunkerFile Chunker runs entirely in your browser. Files are never uploaded to our server. File Signature CheckerFile Signature Checker runs entirely in your browser. Files are never uploaded to our server. Binary File InspectorBinary File Inspector runs entirely in your browser. Files are never uploaded to our server. Hex File ViewerHex File Viewer runs entirely in your browser. Files are never uploaded to our server. Batch File PrefixerBatch File Prefixer runs entirely in your browser. Files are never uploaded to our server. Batch File SuffixerBatch File Suffixer runs entirely in your browser. Files are never uploaded to our server.

Popular workflows

  1. 1
    File ChecksumCalculate a SHA-256 checksum without uploading the file.
  2. 2
    File Size ConverterConvert between bytes, KB, MB, GB, and TB.
  3. 3
    MIME Type CheckerInspect a file name, MIME type, and basic size information.
  4. 4
    File Name CleanerCreate a safer clean file name from messy text.
  5. 5
    Batch File RenamerDownload files in a ZIP with consistent sequential names.
  6. 6
    Data URL GeneratorConvert a local file into a data URL.
  7. 7
    File to Base64Encode a local file as Base64 text.
  8. 8
    Base64 to FileDecode Base64 text into a downloadable file.
  9. 9
    Zip FilesZip Files runs entirely in your browser. Files are never uploaded to our server.
  10. 10
    Unzip FilesUnzip Files runs entirely in your browser. Files are never uploaded to our server.
  11. 11
    Archive File ListArchive File List runs entirely in your browser. Files are never uploaded to our server.
  12. 12
    Duplicate File FinderDuplicate File Finder runs entirely in your browser. Files are never uploaded to our server.

Practical guides

File Formats

MP4 vs WebM vs MOV: Choosing a Video Format

Choose a video container based on playback support, editing, streaming, quality, and file size.

Jul 27, 20261 min read File Formats

MP3 vs WAV vs OGG: Audio Quality and File Size

Understand when to use compressed audio, a lossless working file, or an open web-friendly format.

Jul 26, 20261 min read File Formats

PDF vs DOCX: What Is the Difference?

Compare PDF and DOCX for editing, sharing, printing, accessibility, and long-term document workflows.

Jul 23, 20261 min read File Formats

ZIP vs RAR: Key Differences

Compare ZIP and RAR in compatibility, compression, splitting, recovery, and everyday sharing.

Jul 18, 20261 min read File Formats

How to Choose the Right File Format

A practical framework for choosing formats based on editing, compatibility, quality, size, accessibility, and long-term use.

Jul 16, 20261 min read

Category questions

How do I choose the right tool?

All processing supported by these tools happens locally in your browser.

Are files uploaded for processing?

Choose the tool that matches the next action, work on a copy, and verify the output before sharing.

How can I protect output quality?

All processing supported by these tools happens locally in your browser.

What should I do with a very large file?

Choose the tool that matches the next action, work on a copy, and verify the output before sharing.

Can I use these tools on a phone?

All processing supported by these tools happens locally in your browser.

Should I keep the original file?

Choose the tool that matches the next action, work on a copy, and verify the output before sharing.

What privacy checks are still needed?

All processing supported by these tools happens locally in your browser.

How do related guides improve the workflow?

Choose the tool that matches the next action, work on a copy, and verify the output before sharing.