How does the tool count URLs?

Following X's official rules, any URL is counted as exactly 23 characters, regardless of its actual length.

How are Chinese, Japanese, and Korean (CJK) characters counted?

CJK and full-width characters are counted as 2 characters each, matching X's character weighting system.

Will my words or URLs be cut in half?

No, the splitter respects word, sentence, or paragraph boundaries depending on your settings and will not split a single word or URL across tweets.

Does this tool post directly to my Twitter/X account?

No, this tool runs entirely in your browser to split and preview your text. You can copy the split tweets to post them manually.

What numbering styles are supported?

You can choose between 'n/N' (e.g., 1/4), '(n/N)' (e.g., (1/4)), 'Part n of N', or no numbering at all.

Elysia Tools

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Text Processing

Twitter / X Thread Splitter

Paste a long text and split it into a numbered X thread that respects the 280-character limit. Splits on word/sentence/paragraph boundaries, auto-adds 1/N numbering, weighs CJK and full-width characters correctly, counts URLs as 23 characters, and shows a live X-style preview card for each tweet with a character meter.

Details

What this tool helps you do

A thread composer for social-media managers and long-form writers:

Paste long text — a blog excerpt, a long idea, or any prose.
Per-tweet limit — defaults to 280 (the X limit). The splitter never breaks a word or a URL across tweets.
Numbering — adds 1/N, (1/N), Part 1 of N, or none. The space the numbering needs is reserved before splitting, so content never overflows once the tag is added.
Split on — sentence boundaries (preferred), paragraph boundaries, or word-only (hard wrap).
Accurate counting — X counts CJK / fullwidth characters as 2 and always counts a URL as 23 characters; this tool does the same, so the 280 budget is exact.
Preview cards — each tweet is rendered as an X-style card with a live character meter and over-limit warnings.

All processing runs locally in your browser.

Execution

Run this tool

Fill in the form, run the tool, and review the result in one place.

Prepared example runs

Click an example to fill the form automatically. File inputs still need an upload.

2 examples

Short essay into a 3-tweet thread

A few paragraphs of prose split into a numbered thread on sentence boundaries.

<div class="tw-wrap"><div class="tw-stats">…Tweets: 2…</div><div class="tw-thread"><div class="tw-card">…1/2…</div></div></div>

CJK text with URL (weighted counting)

Chinese prose plus a link — verifies CJK chars count as 2 and the URL as 23.

Inputs

Set the required fields, then run the tool.

7 options

ContentPaste or type the main input values.2

Long texttextareaRequiredThe text you want to split into an X thread.SeparatortextOptionalText placed between content and the numbering tag (e.g. — or a newline).

SettingsAdjust formats, ranges, numbers, and modes.3

Per-tweet limitnumberRequiredCharacter budget per tweet. 280 is the standard X limit (CJK and URLs are weighted per X rules).Split onselectOptionalNumbering styleselectOptional

TogglesEnable or disable optional behavior.2

Preserve line breakscheckboxOptionalEnabled when checkedReserve space for URLscheckboxOptionalEnabled when checkedWhen on, URLs count as 23 characters (X behaviour). When off, URLs count by their raw length.

Result

Ready for a run

Run the tool to preview files, text, structured data, or streamed output here.

Samples

Twitter / X Thread Splitter

What this tool helps you do

Run this tool

Prepared example runs

Inputs

Result

Examples that match this tool

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Key facts

Overview

When to use

How it works

Use cases

Examples

1. Splitting a Technical Essay

2. Formatting CJK Text with Links

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