Title: Free social media thread splitter - OpenPost Description: Split long drafts into clean parts for X, Bluesky, Mastodon, Threads, or LinkedIn. Canonical: https://openpo.st/tools/thread-splitter Source: [https://openpo.st/tools/thread-splitter](https://openpo.st/tools/thread-splitter) [All free tools](https://openpo.st/tools) Free tool # Turn long drafts into clean social threads Split at paragraphs, sentences, and words for X, Bluesky, Mastodon, Threads, or LinkedIn. Add numbers and copy one part or the full thread. The draft and generated parts stay in this browser. Nothing is uploaded. ## Who this is for Writers turning one long draft into a reviewable social thread. ## Inputs - One long text draft - A destination and an optional part-number setting ## Outputs - Ordered thread parts that can be copied separately or together - Character counts for the source and each part ## Limits - The splitter preserves paragraph and sentence boundaries when they fit. - Long words are carried into a part rather than discarded. - Numbering counts against each destination limit. ## Privacy The draft and generated parts stay in this browser. Nothing is uploaded. ## Next step Review every part in order, then paste the thread into OpenPost to tailor it for an account and schedule it.