How to Generate Subtitles for a Video in Several Languages

Good subtitles start with clean words and clean timing. Make one approved transcript, split it into readable lines, then check each language on a real screen before you publish.

If you need several language versions, the order matters. First get the source script right. Then translate it. Then fit the lines to the speech. Then review the result in context. Skip that order, and you spend the afternoon fixing little problems one by one.

Before you start: pick the subtitle job

Start by deciding what kind of text you need. Burned-in subtitles sit inside the video itself. Separate subtitle files stay beside the video, ready for players and platforms that support them. If the film may be watched in different places, that choice changes your export.

For several languages, keep one subtitle set per language. Do not mix languages in one file unless you truly mean to. A mixed file is hard to read and harder to review.

Make sure the edit is close to final before you begin timing. If the opening shot changes by two seconds, every subtitle after it may need a small shift too.

Step 1: get a clean transcript

1. Step 1

   Write down the spoken words. Start from the audio, not from memory. If the speaker says, “um, sorry, let me try that again,” keep the real sentence and drop the false start.

2. Step 2

   Cut the clutter. Remove repeated ums, half-sentences, and extra words that do not help the viewer. Keep the meaning. Make the line easier to read.

3. Step 3

   Lock the names. Spell product names, places, and team names the same way in every version. If “Northside” turns into “North Side” halfway through, review gets messy fast.

Keep one master transcript and treat it like the source of truth. When a language version changes, you want to know exactly what changed, and who changed it.

Step 2: split the text into readable lines

Now make the subtitle easy to read at a glance. One subtitle should hold one thought. If the speaker says, “We launched on Monday, and the team fixed the issue by Wednesday,” split it after Monday or after issue, not in the middle of a phrase.

Short lines work best. Two lines is usually enough. More than that, and people start reading instead of watching. That matters even more in another language, because some translations take more space.

Keep the wording plain. If a line looks crowded, it is crowded. A subtitle should be readable in one glance, not studied like a tax form.

If you want a quick sense of film length before you begin, this guide can help: How Long Should a Short Animated Film Be? Shorter Than You Think.

Step 3: time the subtitles to the speech

Match each subtitle to the spoken words. It should appear when the line starts and leave when the thought ends. If it stays up after the sentence is done, the subtitle lingers too long and pulls attention away from the picture.

Watch the rhythm. Fast speakers need tighter lines. Pauses give you more room. Leave space for key visuals, music hits, and sound effects. Subtitles should help the film, not cover the useful part.

In an animated film, timing can be easier than in live video because the movement is planned. Still, the words need room. A line that lands over a chart, a face, or a product shot can hide the point you wanted to make.

If your words started in a script or document, this is the point where the film comes together. For that workflow, see A film from a script or a document.

Step 4: translate each language version from the same master

Use the approved transcript as your source. Do not translate from a subtitle file that is already squeezed for space. That is how meaning gets shaved off.

Translate the meaning first, then fit the lines again. Some languages need more words. Some need fewer. Some need a different order. That is normal. A good subtitle set is readable and still says the same thing.

Keep the tone steady. If the original is plain and direct, the translated subtitles should be plain and direct too. The goal is clear reading, not fancy wording.

For this workflow, one version per language keeps timing cleaner. Start from the translated script for each version, then rebuild the subtitle line breaks and timing around that text.

Step 5: review on a real screen

Never sign off from a tiny editing window alone. Watch the subtitles full screen on a phone and a laptop. The same line can look fine in one place and too long in another.

Check three things: spelling, timing, and whether the subtitles hide something important. That important thing might be a hand gesture, a chart, or the punch line in the animation. If the words cover the visual, shorten the line or move the timing.

Then ask a native speaker or local reviewer to read the language version. They will catch the line that sounds fine in a draft and awkward in public.

Step 6: export the right format for your use

Choose burned-in subtitles if the video will live somewhere that strips subtitle files. Choose separate subtitle files if viewers need to switch languages. That choice depends on where the film will be watched.

If you are handing the film to a platform, check what it accepts first. Some places want one file type, some want another. Keep a clean master so you can export again without starting over.

What usually goes wrong

The biggest problem is timing too late. Someone translates after the edit is locked, then finds every line needs a new fit. That turns a small change into a long cleanup.

Another common problem is line length. A subtitle that is easy in English may become a wall of text in another language. If that happens, shorten the sentence before you force it onto the screen.

Version control gets messy fast. One person updates the English script, another updates Spanish, and French still uses old timing. Mark the master file clearly, and keep a note of which version was approved.

One more thing. If the video script changes, every subtitle file needs a check. One new sentence at the top can shift the rest of the timing.

How long it takes

A short film can still take real time when it has several languages. The first language usually takes the longest because you are doing the transcript, line breaks, timing, and review in one pass.

After that, each extra language is mostly translation, timing checks, and review. If the source script stays stable, the later versions move faster. If the source keeps changing, every version slows down again.

For a one minute film, expect subtitle work to be a real part of the project, not a tiny afterthought. The work is not hard, but it does need attention.

If your team wants notes on a draft before the final export, a private review link lets people comment without making everyone chase email threads. That can save time when several languages are in play.

Simple checklist before you publish

• One approved transcript.
• One subtitle file per language.
• Line lengths checked on phone and laptop.
• Timing checked against the final cut.
• Names and terms spelled the same everywhere.
• Local review done before launch.

If you are building the whole film from scratch, a film of your own comes with a plan. Plans and what they include are on the prices page, /pricing.