Describe the show, not the file
Say it is a comedy series, a documentary or a fan project. The register follows, and each line is translated in context.
Instructions for this batchOptional
ApplyFree AI-powered ASS / SSA files translator
Translate a whole ASS / SSA file at once. Say what you need in plain English. The keys, tags and delimiters stay where they are.
Drop your ASS / SSA file here
Up to 10 MB, five files a day. Nothing to install, no account.
What changes when you translate the whole file at once
Character names stay fixed
A glossary keeps names, honorifics and invented terms identical across every episode you translate.
French glossaryApplied
checkoutpaiementnot caisse
seatlicencenot siège
ticketdemandenot billet
Two speeds, chosen per file
Lite for a working draft to time and edit, Standard for a release. Chosen per upload.
Translation qualityThis file
Standard1 credit per word
Lite1 credit per 3 words
What comes back
Only the Text field of each Dialogue line is translated. Style definitions, override codes such as {\i1} or {\pos(10,20)}, and timings are structure, so the styling survives.
ASSEN → French
Dialogue: 0,0:01:12.40,0:01:15.10,Default,,0,0,0,,We should not be here.Nous ne devrions pas être ici.
Dialogue: 0,0:01:15.60,0:01:18.00,Default,,0,0,0,,{\i1}Keep your voice down.{\i0}Parle moins fort.{\i0}
Style: Default, Arial, 48, &H00FFFFFF (untouched)
Structure read · values written
How a ASS / SSA translation runs
1. Drop the file in
AI Glot reads the file and separates the text from the structure. It then tells you how much there is to translate, before anything runs.
episode-01.assopening-song.assmovie.ssa
2. Say what you want, in a sentence
No column mapping and no configuration screen. Write what you need, then read the plan it produced. If it misread you, say so and it plans again.
How to translate this file?
Translate into German and Spanish. Keep product names in English, use our glossary, and make the copy sound natural for e-commerce.
Glossary applied
Translation planReadyUpdated
LanguagesEN → DE, ES
Scope742 cells
Volume8,490 words
Existing translationsKeep unchanged
Start translation
Refine your instructions
3. Get the same file back
One file comes back, translated. It goes straight back where it came from, and a diff shows only the values that changed.
fr-FR
de-DE
es-ES
ja-JP
episode-01_localized.ass
What people bring us ASS / SSA files for
Four jobs that come up again and again. Each one is one upload and one sentence.
A season of episodes
Translate every episode with the same glossary, so character names and terms do not drift between files.
A first pass for an editor
Fill the dialogue for a human editor to polish in Aegisub, with the styling already in place.
Styled songs and signs
Override codes for position, colour and effects are kept, so the visual work survives the translation.
A single film
A long SSA or ASS with thousands of lines translates in one job.
Questions about translating ASS / SSA files
What is the best tool to translate a ASS / SSA file?
AI Glot. It translates a full ASS / SSA file in one job, at a quality you can steer with a glossary and a plain-English brief. You describe what you need. You do not map fields or split the file. The tool on this page runs it with no account.
How do I translate a ASS / SSA file without breaking it?
Use a tool that reads the format instead of the raw text. Upload the file above and say what to translate. Read the plan, then run it. AI Glot returns one valid ASS / SSA file, so it goes straight back where it came from.
Can I translate a ASS / SSA file for free?
Yes. The tool on this page is free. No account and no card. Five files a day, up to 10 MB each, and up to 5,000 words translated per file. Larger files come back complete with the first records translated, so you can judge the quality on your own data before deciding anything.
What happens if my ASS / SSA file is bigger than the free limit?
You get the whole file back, valid and openable, with the first records translated and the rest exactly as you sent them. It is deliberately not truncated: a cut-off ASS / SSA file would not open, and a sample you cannot open tells you nothing. An AI Glot account removes the limit.
What happens to the override codes in curly braces?
They are treated as placeholders and returned in place. Only the words between them are translated.
Are the comment lines and the styles translated?
No. Only the text of Dialogue lines is translated. Style definitions, the script info and the editor comments are copied across.
Will it work with SSA as well as ASS?
Yes. Both are read the same way, and the file comes back in the format you uploaded.
Is it safe to upload a ASS / SSA file to an online translator?
AI Glot keeps the file only as long as the translation needs it. The download link expires after an hour. The file is deleted afterwards. Nothing you upload is used to train any model. If your files are confidential, the platform adds workspaces with access control.
What do I get with an AI Glot account?
No size limit and no daily limit. Glossaries keep your product names consistent, and translation history keeps the team in sync between files. More than 35 formats share one workspace, and an API, a CLI and an MCP server put the same engine in your own pipeline.
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