Fix Common Errors

Automatically detect and fix common subtitle errors.

• Menu: Tools → Fix common errors...
• Shortcut: Configurable

Step 1 - Rules

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Step 2 - Fixes

<!-- Screenshot: Fix common errors fixes -->

How to Use

1. Open Tools → Fix common errors...
2. Select the language for language-specific rules
3. Check/uncheck the rules you want to apply
4. Click Go to apply fixes to see the proposed fixes
5. Review each fix and check/uncheck individual items
6. Click Apply selected fixes

Available Fixes

Common fixes include:

• Remove empty lines / unused line breaks
• Fix overlapping display times
• Fix short display times
• Fix long display times
• Fix short gaps
• Fix invalid italic tags
• Remove unneeded spaces
• Fix missing spaces
• Remove unneeded periods
• Fix commas
• Break long lines
• Remove line breaks in short lines (text length / pixel width)
• Fix double apostrophes ('' → ")
• Fix music notation
• Add missing periods at end of lines
• Start with uppercase letter after paragraph / period / colon
• Add missing quotes
• Break dialogs on one line
• Fix hyphens / dashes in dialog
• Fix 3+ lines
• Fix double dash (-- → …)
• Fix double greater-than (>>)
• Fix continuation style
• Fix missing open bracket (e.g. (, [)
• Fix common OCR errors
• Fix uppercase I inside lowercase words
• Remove space between numbers
• Remove dialog dash on first line of non-dialog
• Normalize strings (Unicode normalization)

Additional language-specific rules are added when applicable (e.g. lowercase i → uppercase I for English, Turkish ANSI → Unicode, Danish letter i, inverted ¿/¡ for Spanish).

Profiles

You can save different sets of fix rules as profiles for different workflows (e.g., broadcast, streaming, fansubbing).

• Pick the active profile from the Profile combo box at the top of the window
• Click the ... button next to the combo box to add, rename, delete, import, or export profiles