File Concat Tool
Combine multiple files into document optimized for LLMs
File Concat Tool launched on December 20, 2024 with 10 votes, #1,989 of 5,365 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Free offline tool to combine and format multiple files for ChatGPT, Claude, and other AI assistants. Support for code, docs, and config files with secure local processing.
Hit the file limit on ChatGPT, Claude, or Gemini? Combine all your files, even PDFs and Office docs, into one. It all runs in your browser, nothing uploaded.
Drop a folder, files or an archive. You get one file, its count, and what it costs to send, before you paste. The tree first, then every file in a tagged block. The count is what the model you picked will charge for. $ cat notes/* letter.txt ledger.csv Kickoff, 3 March. Scope agreed: FY25 ledger, two entities.Dear Ms Adair, further to our call on Tuesday, please find the engagement terms below.date,account,debit,credit 2025-01-04,1200,4,200.00, after, one file <documents project="q3-review"> <directory_structure> letter.txt ledger.csv notes/kickoff.md </directory_structure> <file path="notes/kickoff.md" lang="md"> Kickoff, 3 March. Scope agreed: FY25 ledger, two entities. </file> <file…from fileconcat.com
Does a similar job
all alternatives →
FileKitty – Combine and label text files for LLM prompt contexts2024 · github.com · ▲69GUI for selecting text files for concatenation and submission to LLMs - banagale/FileKitty
Beyond text splitting – improved file parsing for LLMs2024 · github.com · ▲206Improved file parsing for LLM’s. Contribute to Filimoa/open-parse development by creating an account on GitHub.
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Source: Product Hunt launch ↗
