Date extractor

Pull a date range out of LINE chat exports (.txt) into a single .txt file. Your files are processed in this browser and never uploaded.
Click to choose, or drop .txt or .zip files here
Several .txt files, or one .zip containing them — processed in file-name order
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Both days are included. 2024-01-01 and 2024/01/01 also work. Dates that do not exist (such as 30 February) are rejected.
Limits: 50 MB per .txt (or per file inside a zip), 100 MB per zip, 200 MB per run after unzipping; encrypted zips and ZIP64 are not supported. Dates written x/y/YYYY are always read as day/month/year.