Why captions matter in short video
Captions do three jobs. They make your video accessible to viewers who are deaf or hard of hearing. They let people follow along with the sound off, on a train or late at night. And they keep the screen moving, which helps hold attention even for people listening with sound.
On a faceless video, captions do even more: they carry the personality the presenter would normally bring.
Burned-in captions vs automatic captions
Automatic captions are generated by the platform and shown in its standard style. They can be switched off, their timing and accuracy vary, and you have no control over the look.
Burned-in captions (also called open captions) are part of the video image itself. They look exactly how you design them, appear on every platform the same way, and can't be turned off. Most successful Shorts and Reels use burned-in captions for this reason.
The trade-off: burned-in captions can't be edited after export, so check the spelling before you render.
Readability rules
- Few words at a time: show one to four words per caption so viewers read in a glance.
- Big, heavy font: a bold, rounded sans-serif, large enough to read on a small phone.
- High contrast: white text with a dark outline or shadow works on almost any background.
- Highlight sparingly: one key word in an accent color per line, not every word.
- Stay in the safe zone: place captions in the middle or lower-middle of the frame, above the bottom 20% where app buttons and descriptions sit, and away from the right edge.
- Match the voice: captions should appear as each word is spoken, not a sentence ahead.
Timing: word-by-word wins
The most engaging style shows words in sync with the voice, often with the current word highlighted. It feels lively and helps viewers keep their place. To do this well, you need the exact time each word is spoken, which is why manual caption timing is slow work.
If you caption by hand in an editor, transcribe first, split into short phrases, then nudge each phrase to the waveform. Expect it to take longer than the video itself for your first few.
How to add captions, step by step
Whatever tool you use, the process is the same:
- Finalise the script or voiceover first; captions come last.
- Get a transcript with timings, either from a transcription tool or by hand.
- Fix spelling, names and numbers in the transcript.
- Split into short phrases of one to four words.
- Choose one style (font, size, color, position) and keep it the same across your channel.
- Export with the captions burned in, then watch the result on a phone before posting.
Captions in Hindi, Hinglish and other languages
Captions should be written the way your audience reads, which isn't always the way they speak. For Hinglish videos, many creators caption in Roman script ('Yeh trick sabko nahi pata') because it is how viewers type every day. For Hindi audiences who read Devanagari comfortably, captions in Devanagari feel more natural.
Whatever the language, check names, numbers and slang by hand. Automatic transcription struggles most with mixed languages, so a script you wrote yourself is the most reliable source for caption text.
Automatic burned-in captions
Cutflare adds captions automatically when it joins your clips. The words come from your script, and each one is timed to the moment it is spoken in the voiceover, then burned into the Full HD video in a bold, readable style placed clear of the apps' buttons. Joining clips and adding captions are free; you only pay credits for the clips themselves.
Because the captions follow your own script, names and numbers come out the way you wrote them.
Frequently asked questions
Should I use burned-in captions or the platform's automatic captions?
Burned-in captions give you full control over the look and work the same on every platform, which is why most Shorts and Reels creators use them. Platform captions are still useful as an extra for accessibility.
Where should captions go on a vertical video?
In the middle or lower-middle of the frame, above the bottom 20% and away from the right edge, where the apps show buttons and descriptions.
What font is best for captions?
A heavy, simple sans-serif with an outline or shadow. Avoid thin, condensed or script fonts, which become hard to read at phone size.
Do captions help a video get more views?
Captions make videos easier to follow with or without sound, which can help people keep watching. Watch time is one of the signals platforms use, but captions alone won't save a weak hook.