✂️File Splitter / Joiner
Split large files into smaller chunks (e.g. 10MB) or rejoin pieces. For email attachment limits, KakaoTalk transfer limits, cloud upload chunking. Splits auto-name `.part1`, `.part2`. Browser-only processing.
🔒 Browser-based✓ No watermark✓ No signup
How to use
- 1Split: upload file → set chunk size → "Split" → download each part.
- 2Join: upload all parts in order → "Join" → download the reassembled file.
FAQ
What's the output format?+
Original-filename.part1, .part2, ... in order. Upload them in the same order to rejoin.
Max file size?+
Practically up to 4-8GB depending on browser memory.
Why split files?+
(1) 25MB email attachment limits, (2) ~100MB KakaoTalk limit, (3) cloud chunked uploads, (4) backup media capacity.
Can these be rejoined with a normal archive tool?+
This tool does plain binary split. Rejoin here, or use Windows `copy /b part1+part2 result.ext`.
Can I open a single part?+
No. Parts are partial data; you must rejoin them to recover the original.