Select multiple local files, merge their contents with filename markers, then split the result into copy/paste blocks that stay under a character limit.
Privacy note: This tool runs locally in your browser. It does not upload your files or send them to a third-party server. You can verify this in DevTools → Network, or download a local copy and run it from your computer.
No files selected yet.
Click Select Files again to add more files from another folder. New selections will be appended, not replace the current list.
DeepSeek Expert is reportedly around 160,000 chars, so 150,000 gives breathing room.
Use {TOTAL_BLOCKS} where you want the final block count inserted.
Available placeholders: {BLOCK_NUMBER} and {TOTAL_BLOCKS}.
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Tip: paste Block 1 first, then Block 2, and keep going. After the last block, send your actual prompt/instructions in a separate message.