Subtitle Find & Replace
Fast. Private. Perfect.
Search and replace text across all subtitle cues with regex, whole-word, and case-sensitive matching.
Drag & drop your subtitle file here
or click to browse
SRT, VTT, ASS, SSA, LRC, SBV, TTML, SCC, STL, SMI, TXT
How It Works
Upload your subtitle file.
Enter your search term or regex pattern in the find field.
Optionally enable regex, whole-word, or case-sensitive matching.
Enter your replacement text.
Preview the match count, then click Replace All.
Download the updated subtitle file.
Why Choose AllSubConverter?
Your Privacy Matters
Everything runs in your browser. Your files are never uploaded.
Lightning Fast
Optimized processing engine converts files in seconds.
Truly Unlimited
No file size limits. No daily limits. Completely free.
Works Everywhere
Works on Windows, Mac, Linux, iOS, Android - any modern browser.
Find & Replace Features
Who Needs Find & Replace?
Translator Corrections
Fix a consistently mistranslated term across an entire subtitle file in one operation.
Name & Terminology Updates
Update character names, brand names, or terminology that changed during production.
Formatting Cleanup
Use regex to normalize punctuation, spacing, or repeated characters across all cues.
Fansub Consistency
Ensure consistent spelling and terminology across subtitle files from multiple translators.
OCR Error Fixes
Batch-correct common OCR errors like l/1, O/0, or rn/m confusion using regex patterns.
Speaker Label Edits
Rename or reformat speaker labels in transcript-style subtitles with a single replace.
Frequently Asked Questions
Yes. Enable the Regex option to use JavaScript regex patterns for both find and replace. This allows pattern-based matching like \d+ for numbers or capturing groups in replacements.
Yes. The tool shows a live match count as you type your search pattern, and you can review matched cues before clicking Replace All.
Input: SRT, VTT, ASS, SSA, LRC, SBV, TTML, SCC, STL, SMI. Output: SRT or VTT.
No. All find and replace operations happen entirely in your browser. Your subtitle files never leave your device.
Whole-word mode only matches your search term when it appears as a complete word, not as part of a larger word. For example, searching for 'cat' will not match 'category'.
Yes. Find & Replace only modifies the text content of cues. All timestamps and subtitle structure are preserved exactly.