Subtitle Splitter & Segment Divider

Split a long subtitle file into two or more parts at a specific timestamp or cue number (e.g. for multi-part video uploads).

TL;DR: Subtitle Splitter & Segment Divider is a 100% free browser-based media utility. Split large subtitle files into multiple parts at exact timestamps.

Select Subtitle File to Split

Divide SRT into Part 1 and Part 2

Understanding Subtitle Splitter & Segment Divider

Split a long subtitle file into two or more parts at a specific timestamp or cue number (e.g. for multi-part video uploads). Designed for creators, video editors, audio engineers, web designers, and developers who need instant, high-precision processing without software installation, watermarks, or file uploads.

Mathematical Formula & Technical Methodology

\text{Part}_1 = \{c \in C \mid c.t_{\text{end}} \le T_{\text{split}}\}, \quad \text{Part}_2 = \{c \in C \mid c.t_{\text{start}} > T_{\text{split}}\}

Formula Variables Explained:
Partitions cue arrays into independent timestamp ranges with normalized timing.

Step-by-Step Worked Example

Splitting a 2-hour movie subtitle at 01:00:00 produces Part 1 and Part 2 SRT files.

100% Client-Side Privacy Guarantee

All media decoding, manipulation, calculations, and encoding execute locally inside your web browser using HTML5 Canvas, Web Audio API, WebCodecs, Web Crypto, and modern JavaScript engines. Zero server uploads, zero telemetry, and no registration required.

Frequently Asked Questions

Upload your SRT file, select a split timestamp, and export Part 1 and Part 2 subtitle files.

Embed This Tool

Add the live Subtitle Splitter & Segment Divider to your own website with this embed code:

<iframe src="https://nexlove.org/embed/subtitle-splitter.html" width="100%" height="650" style="border:1px solid #e2e8f0;border-radius:12px" title="Subtitle Splitter & Segment Divider — NexLove" loading="lazy"></iframe>

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