Deliver multiple caption languages as identified sidecars
Deliver each caption language as a clearly identified resource for the exact recording version. Combining languages into one unlabeled cue stream is not the same as offering selectable language tracks. Verify every intended file in the recipient's actual workflow, because one correctly selected default does not establish that the other resources match.
Open the relevant downloader · Platform tools and access limits
Identify the version, language and caption role
List the required languages, recording edit and whether each resource is an original transcript, translation or accessibility caption. A subtitle filename or language tag can be missing or wrong; consult the supplier and inspect representative text. Do not infer that every available audio language has a corresponding reviewed caption resource.
Keep the unchanged permitted source documents and the approved delivery copies separately. A later trim can change timing for every language, while a wording correction can affect only one resource. Record those version relationships rather than using a single undated language folder as evidence that all captions are current.
Choose unambiguous names and receiving selection
Use filenames that distinguish the recording version and language without exposing unnecessary personal information. A name such as training-v2.es.vtt can help organization, but automatic association rules vary. Test explicit loading or the receiver's actual text-track selection instead of assuming a dot-separated suffix guarantees discovery.
If a destination embeds multiple text tracks, inspect how its importer assigns names, language tags and defaults. Those settings describe selection; they do not translate words or certify their accuracy. Retain separate sidecars where the collaboration needs independently editable resources, and include the format and supported receiver in the handoff notes.
Verify each language and preserve unresolved review
For every supplied resource, check beginning, middle and ending cues against the exact movie. Test mixed scripts, meaningful sound labels and passages affected by edits. Target-language meaning requires an appropriate reviewer; a readable font and correct timestamps are not evidence that the translation is accurate.
If a language is missing or incomplete, record it rather than copying another language's words under a new label. SocialVidDownloader's interface language selector does not create caption translations. Its local text-track extraction and supplied-SRT burn-in tools are separate capabilities, not a promise of every caption language on a public source. A complete handoff identifies what was actually supplied and reviewed, with absent resources and remaining uncertainty stated plainly.
Worked example
Example: a team receives English and Spanish captions for version two of a training movie, but French captions still refer to version one. Deliver the two matching resources and mark the French requirement unresolved until it is reviewed and retimed. Testing the English default alone cannot approve the French file.
Related guidance
Sources and verification
Reviewed 2026-10-12. Product behavior is limited to available source formats and provider access; it is not a promise that every public link works.