Batch Processor

LOCAL · Browser-Only

Process multiple files at once

Max 20 files per batchMax 100 MB per file

Drop files here or click to browse

Any file type - up to 20 files

Operation

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What is Batch Processor?

Free online batch file processor to apply text transformations across multiple files simultaneously.

Upload files and apply operations like case conversion, encoding/decoding, hashing, find & replace, CSV-to-JSON conversion, minification, and more. Each file is processed independently and results can be downloaded individually or as a ZIP. All processing happens entirely in your browser - files never leave your device. Free for everyone, up to 20 files per batch.

How to Use Batch Processor

1Click 'Add Files' or drag and drop files into the upload area
2Select the operation you want to apply from the dropdown menu
3Click 'Process All' to apply the operation to every file
4Download individual results or use 'Download All' to get a ZIP

Frequently Asked Questions

How many files can I process at once?

Up to 20 files per batch, and each file can be up to 100MB. The same limits apply to everyone - there is no paid tier for this tool.

What operations are available?

Over 40 operations including case conversion, Base64 encode/decode, URL encode/decode, hashing (MD5, SHA-1, SHA-256), CSV to JSON, JSON formatting, minification, line sorting, duplicate removal, find & replace, and more.

Are my files uploaded to a server?

No. All processing happens entirely in your browser using JavaScript. Your files never leave your device.

Can I apply find and replace to many files at once?

Yes. Add all the files, choose the find and replace operation, enter your search and replacement terms, and process the whole batch in one step.

How do I download all the results?

After processing, use 'Download All' to get every result bundled in a single ZIP file, or download individual files one at a time.

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Keep reading: SQL Cheat Sheet and working without uploading reference. Doing this in code instead? See the hashing and security endpoints.