Subtitle Edit

the subtitle editor :)

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Fix Common Errors

Automatically detect and fix common subtitle errors.

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

Step 1 - Rules

Step 2 - 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. The search box filters the rule list, and Select all / Invert selection flip many rules at once
4. Optionally tick Try to guess unknown words to let the OCR fix engine correct words it does not know
5. Click Go to apply fixes to see the proposed fixes
6. Review each fix and check/uncheck individual items
7. Click Apply selected fixes, then Done to close the window

Step 2 controls

• Refresh available fixes re-scans the subtitle after you have applied some fixes or edited text in the preview
• The filter chips above the list show one chip per rule that found something; click a chip to show only that rule’s fixes
• Right-click a fix for Rule details… (what the rule does and an example) or Show only this rule
• The Log link opens a window with everything the run changed, plus errors that were found but could not be fixed automatically

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 apostrophes misread as double quotes by OCR ("Hello' → "Hello", 'Hello' → "Hello") - English only
• 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)
• Remove leading ... (only offered when the continuation style in Settings → General is None)

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, or delete profiles