Skip to main content


Remove Duplicate Subtitles


Duplicate subtitles are more common than you’d think – bad exports, merging errors, or conversion problems. This deduplicator finds and removes redundant entries while preserving your intended subtitles. Smart detection handles exact duplicates, overlapping timings, and even similar text with slight variations.


How the Remove Duplicate Subtitles works


Drop in your SRT file with suspected duplicates. The tool scans for various duplication patterns – exact matches, timespan overlaps, and near-identical text. Choose your cleanup strategy: remove exact duplicates only, merge overlapping entries, or aggressive cleaning. Preview shows what will be removed and what remains. The cleaned file maintains proper sequence numbering and timing flow. Saves hours of manual subtitle review.

Duplicate subtitles create a terrible viewing experience – text flashing repeatedly, overlapping displays, or the same line showing multiple times. They often creep in during file conversions, automated captioning, or collaborative editing. This tool ensures clean, professional subtitles by eliminating redundancy while preserving all unique content. Essential for quality control before distribution.



Meet the fastest voice-to-text for professionals


WriteVoice turns your voice into clean, punctuated text that works in any app. Create and ship faster without typing. Your first step was Remove Duplicate Subtitles; your next step is instant dictation with WriteVoice.



A blazing-fast voice dictation

Press a hotkey and talk. WriteVoice inserts accurate, formatted text into any app, no context switching


Works in any app

Press one hotkey and speak; your words appear as clean, punctuated text in Slack, Gmail, Docs, Jira, Notion, and VS Code—no context switching, just speed with writevoice

Accurate, multilingual, and smart

97%+ recognition, smart punctuation, and 99+ languages so your ideas land first try, built for teams and pros.

Private by default

Zero retention, audio and text are discarded instantly, with on-device controls so you can dictate sensitive work confidently.



Start with Remove Duplicate Subtitles, then level up to WriteVoice.io