Translate subtitle files online
Upload an SRT, VTT, ASS, or SSA file and preview the translation with timestamps and formatting preserved before you pay.
or drag and drop
SRT, VTT, WebVTT, ASS and SSA files up to 50MB
Upload a subtitle file to choose languages and translation style. You will see the price before purchasing the complete download.
Choose your subtitle format
One translator, format-aware workflows
Not sure which format you have? Check the file extension. Each dedicated page explains what that format keeps during translation.
SRT
.srt
The universal choice for YouTube, video players, courses, and most editing workflows.
Sequence numbers · timestamps · text and inline tags
WebVTT
.vtt
Built for HTML5 video, web players, speaker labels, cue settings, and positioning.
Web cues · metadata · regions and styling
ASS / SSA
.ass · .ssa
For styled subtitles with fonts, positioning, layers, karaoke, and animation tags.
Styles · layers · override and karaoke tags
See the structure, not a vague promise
Review subtitle text and timing side by side
The translated text changes. Cue numbers and timestamps do not. Use the preview to check tone, names, and line breaks before buying the full file.
Open the interactive subtitle demoOriginal
1 00:00:17,375 --> 00:00:19,458 Hello, Mr.Snail!
Translated
1 00:00:17,375 --> 00:00:19,458 ¡Hola, señor caracol!
What the workflow protects
Keep the subtitle file usable
Timestamps stay in place
Subtitle timing is kept separate from the text sent for translation, so you do not have to rebuild the timeline.
Subtitle structure is retained
Cue order, identifiers, and the original output format remain part of the translated file.
Formatting-aware translation
Inline tags and format-specific syntax are protected while the spoken text is translated.
Translation controls
Guide the translation before it starts
- Choose the source and target language
- Set a natural, formal, or casual translation style
- Use a glossary for names and recurring terminology
- Generate bilingual subtitles when you need both versions
A useful preview
Check a few representative cues, character names, and subtitle length. If the tone is wrong, adjust the settings before buying.
How it works
Preview first. Pay only for the full file.
Upload your subtitle file
Drop in an SRT, VTT, ASS, or SSA file. Then choose the source and target language.
Review a free preview
Inspect translated cues, timing, terminology, and formatting before making a purchase decision.
Download the complete file
Pay per file when you are ready, then download the translation in the corresponding subtitle format.
Starting from a video?
Transcribe the speech first, then translate the generated subtitles.
Frequently asked questions
Is subtitle translation free?
You can upload a file and inspect a translated preview for free. Payment is only required when you decide to download the complete translated file.
Will my timestamps change?
No. Doc2Lang translates subtitle text while retaining the file's existing cue timing and sequence.
Which subtitle formats can I upload?
This page accepts SRT, WebVTT/VTT, ASS, and SSA subtitle files. Use the dedicated format pages when you need format-specific guidance.
What is the maximum subtitle file size?
Subtitle files can be up to 50MB. That is enough for even very long subtitle tracks because subtitle files contain text rather than video.
Can I keep names and technical terms consistent?
Yes. Add glossary terms before translation to guide character names, product names, and recurring terminology.
Can I translate a video that has no subtitle file?
Yes, but that is a different workflow. Use video translation to transcribe the audio first, then generate and translate subtitles.
How long are my subtitle files stored?
You can delete files yourself at any time. Files left in Doc2Lang are automatically deleted after 14 days.
Subtitle translation guides
See real subtitle files and learn how format-specific translation works before using your own content.
ASS / SSA guide
Translate ASS subtitles without losing styles
Learn how styles, positioning, layers, karaoke timing, and override tags behave during ASS and SSA translation.
Real subtitle demo
How subtitle translation preserves timing codes
Explore the Sprite Fright SRT example and see its original and translated cues displayed side by side.
Related Services
Explore other translation services that might interest you
See how your subtitles translate
Upload a subtitle file and inspect a free preview with timestamps and formatting retained before you pay for the complete download.