Editable captions in 40+ languages
Upload any video and generate timestamped captions in Roman Urdu, Hindi, Arabic, Persian, Spanish, French, German, Japanese, and more. Review mixed-language speech, names, and local terms before exporting.
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AutoCaption.app for editable video captions.
Use the auto caption generator to upload a video and generate timestamped captions in 40+ languages, including Roman Urdu, Hindi, Arabic, Persian, and more. Powered by AI.
Open Auto Caption Generator
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224 caption styles. Hover any one to play it.
Every template on the same clip, with the same spoken words — the only way two styles side by side tell you anything.
Caption any video, in any language.
Edit, export, and style your captions
Review and edit every caption in a synchronized timeline editor. Download SRT or VTT subtitle files, or use styled video export when the publishing channel needs visible captions.
Caption tools
Start with the caption workflow closest to your video.
Choose a language, platform, or subtitle-file task first. Each tool leads back to the same editable caption generator when you need to upload a video.
AI caption generator
Upload a video, generate editable captions, review the transcript, and export caption files or a captioned video.
Open toolCaption styles
Hormozi, MrBeast, karaoke and text-behind-subject, specified down to the font, colour and motion.
Open toolHorizontal to vertical video
Reframe a 16:9 video to 9:16, 4:5 or 1:1 with a crop that follows the person, then caption it in the same edit.
Open toolThumbnails with text behind you
Pick a frame from your video, put the headline behind you, and download a 1280×720 thumbnail or 9:16 cover.
Open toolSouth Asian language subtitles
Urdu, Hindi, Punjabi, Sindhi, Pashto, Bengali, Tamil, Malayalam and Kannada each fail differently.
Open toolRoman Urdu caption generator
Create editable Roman Urdu captions for creators publishing mixed Urdu and English speech.
Open toolUrdu subtitle generator
Generate Urdu-script subtitles, and know why the player, not you, picks Nastaliq or Naskh.
Open toolKannada subtitle generator
Generate Kannada subtitles and measure the line length in aksharas, not code units, which run about double.
Open toolGujarati subtitle generator
Generate Gujarati subtitles and check the numerals, which are where drafts drift most often.
Open toolTelugu subtitle generator
Generate Telugu subtitles and check the vertical fit, which a character count cannot measure.
Open toolMarathi subtitle generator
Generate Marathi subtitles and catch the places a draft drifts toward Hindi, which shares the script.
Open toolMalayalam subtitle generator
Generate Malayalam subtitles and handle the long compound words that break recognition and line length.
Open toolTamil subtitle generator
Generate Tamil subtitles and choose between spoken and formal written Tamil before you review.
Open toolBengali subtitle generator
Generate Bengali subtitles and check the conjuncts render correctly in the player your audience uses.
Open toolPashto subtitle generator
Generate Pashto subtitles and review the words where Peshawar and Kandahar pronunciation diverge.
Open toolSindhi subtitle generator
Generate Sindhi subtitles and check the consonants that Urdu-trained tools substitute, then export.
Open toolPunjabi caption generator
Generate Punjabi captions in Shahmukhi for Pakistan or Gurmukhi for India, then review and export.
Open toolHinglish caption generator
Caption Hindi-English speech, settle one spelling for the words you repeat, and export an SRT file.
Open toolTikTok caption generator
Prepare short-form captions for TikTok videos with editable text, timing review, and export options.
Open toolInstagram Reels captions
Generate and style captions for Reels before publishing to mobile-first feeds.
Open toolYouTube Shorts captions
Create captions for vertical Shorts and keep a subtitle file for reuse across other channels.
Open toolSRT to VTT converter
Convert SRT subtitle files into WebVTT for web players, QA handoff, and caption archives.
Open toolVTT to SRT converter
Convert WebVTT subtitle files into SRT for editors, social platforms, clients, and archives.
Open toolVideo subtitle translator
Generate timed captions from video, translate them into another language, then review before export.
Open toolASS to SRT converter
Convert styled ASS or SSA subtitles to SRT, keeping timing and wording and dropping what SRT cannot carry.
Open toolSBV to SRT converter
Convert the .sbv file YouTube Studio downloads into SRT, or back again, without changing the text.
Open toolSRT to text converter
Strip cue numbers and timestamps from a subtitle file to get a plain reading transcript.
Open toolSubtitle timing shifter
Shift every cue by an offset or rescale for a frame-rate change when captions run out of sync.
Open toolSubtitle line breaker
Re-break subtitle lines to a character limit, at sentence and clause boundaries, without touching timing.
Open toolSubtitle merger
Stack two languages into one dual subtitle file, or join two parts of a split video.
Open toolSubtitle spelling checker
Find and replace across every cue, and catch words your file spells more than one way. Timing never moves.
Open toolSubtitle validator
Check a subtitle file for overlapping cues, backwards timing, long lines, and reading speed.
Open tool
Caption guides
Practical guides for captioned video.
Read workflow notes on AI captioning, social edits, podcast clips, UGC demos, subtitle files, and caption layout before you upload your next video.
SBV to SRT: Converting the File YouTube Studio Gives You
YouTube exports .sbv, which almost nothing else reads. The four differences from SRT, a worked example, and why the round trip is lossless.
Read guideBilingual Subtitles: Two Languages in One Caption
Two subtitle files never share cue boundaries, so pairing by line number drifts. Match on time overlap, and expect stacked captions to fill the line budget.
Read guideASS and SSA Subtitles: What Converting to SRT Loses
What ASS to SRT conversion discards, and the two faults that corrupt the result: assumed column order, and centisecond timestamps read as milliseconds.
Read guideTanglish Subtitles: Tamil Captions in English Letters
Captioning tools give you Tamil script or garbled English. Romanised Tamil runs 1.5 to 2 times longer per line, has no standard spelling, and needs the ta-Latn tag.
Read guideWhat Language Is a Roman Urdu Subtitle File?
Not Urdu, which implies Nastaliq, and not English. The script subtag has answered this for years: ur-Latn for Roman Urdu, hi-Latn for romanised Hindi.
Read guideWhat Subtitle Format Does YouTube Use? SRT, and 15 More
YouTube accepts SRT, VTT, SBV and thirteen others, and strips styling from all of them. Which one to upload, why ASS is refused, and when a richer format pays off.
Read guideWhy YouTube Switches Your Captions to Another Language
It is automatic dubbing, on by default since February 2026. Why your captions arrive in a language you did not pick, and what you can and cannot turn off.
Read guideWhat a Caption Needs Beyond the Words
Automatic captions transcribe speech and nothing else. The speaker, the sounds that matter and the tone are a manual pass with settled conventions.
Read guideTwo Reasons Subtitles Show the Wrong Characters
Garbled letters and stray markup look similar and have nothing in common. How to tell encoding faults from escaping faults, and why SRT and WebVTT disagree.
Read guideRight-to-Left Subtitles: What Breaks and What Does Not
Urdu and Arabic subtitle files hold no direction at all. What that means for line breaking, character limits, punctuation and fonts.
Read guideCaptioning Two Speakers: Voice Spans, Names and Dashes
Automatic captions transcribe words, not speakers. How WebVTT marks who is talking, what SRT can do instead, and what conversion does to both.
Read guideCaption Positioning: What WebVTT Can Do and SRT Cannot
Captions covered by platform buttons? SRT has no positioning syntax at all. WebVTT does, and converting to SRT throws it away for good.
Read guideSubtitle Character Limits and Why Tools Miscount
Most subtitle tools count code units, not what a reader sees. Kannada measures at double. What grapheme counting fixes, and what it does not.
Read guideHinglish or Devanagari: Which Script for Hindi Subtitles
Roman letters or Devanagari changes who can read your captions, how consistent the spelling is, and the reading speed of every cue. How to choose.
Read guideYour Caption File Is Already the Transcript
A shipped SRT has been proofread once already. Strip the timing, pick the right shape for show notes or an article, and keep one source of truth.
Read guideHow to Translate Subtitles Without Breaking the Timing
Translation keeps every timestamp but changes how much text sits in each cue. What to re-check after translating, and what never to translate.
Read guideSubtitle Shows Boxes or Question Marks: Fix Encoding
Garbled subtitle text is almost always the wrong character encoding. How to save as UTF-8, why BOM matters, and the mistake that makes it permanent.
Read guideSubtitle Reading Speed: How Fast Is Too Fast
Characters per second explained, the limits Netflix publishes, why short-form video needs shorter lines, and how to bring a fast caption down.
Read guideHow to Fix Out-of-Sync Subtitles: Offset and Drift
Three faults look identical and need different fixes. Diagnose a constant offset, frame-rate drift, or a few broken cues, then correct the file.
Read guideHow to Add Urdu Subtitles to a YouTube Video
YouTube's automatic captions do not cover Urdu, so the track has to come from you. Pick Urdu script or Roman Urdu, upload it in YouTube Studio, then review it.
Read guideBurned-In or Separate Subtitles: What Platforms Need
Reels and TikTok ignore a subtitle file, YouTube and web players want one. How to decide per destination and keep a single editable source.
Read guideHow to Add Roman Urdu Captions in CapCut Without Retyping
Stop typing Roman Urdu caption lines one by one. Review a Latin-script SRT first, import it into CapCut Desktop or Web, then style and sync the caption blocks.
Read guideAI Video Captioning in 2026: What to Automate and Review
What to automate in an AI caption workflow, five file-level faults we found testing our own subtitle tools against the specs, and what still needs a person.
Read guideHow to Edit Videos for Social Media: A 2026 Workflow
A step-by-step social media video editing workflow for master cuts, vertical framing, caption review, platform versions, team handoff, and export.
Read guideRepurpose YouTube Videos into Shorts with Better Captions
Reuse the long video’s caption file instead of re-transcribing: keep the cues in range, shift them by the clip start offset, then re-wrap for the vertical frame.
Read guidePodcast Clip Captions for Reels, TikTok, and Shorts
A caption review workflow for turning podcast clips into readable social videos with speaker names, line breaks, and export checks.
Read guideHow to Choose a Caption App for Video
A practical checklist for choosing a video caption app: editable drafts, timing review, export formats, and repeatable styles.
Read guideCaptions vs Subtitles, Open vs Closed: Two Questions
Captions and subtitles differ by what the text contains. Open and closed differ by how it reaches the screen. Neither answers whether it was auto-generated.
Read guideWhat Is a VTT File? SRT vs VTT for Video Captions
Learn when to export SRT or VTT for YouTube, Vimeo, HTML video, client handoff, and archives, with syntax and review checks.
Read guideCaption Line Breaks for Reels, TikTok, and Shorts
Where to put a caption line break in vertical video: a ranked order of break points, the 32 character limit, and the case where no break works.
Read guideUGC Video Captions for Product Demos
A caption review workflow for UGC product demos, with product-term checks, safe-zone placement, mixed-language review, and brand handoff exports.
Read guide
AutoCaption.app
Common questions before you caption a video.
What is AutoCaption.app?
AutoCaption.app is the website for AutoCaption, a browser-based AI caption generator for creators and teams publishing captioned video.
What can I create with AutoCaption?
You can upload a video, generate editable timestamped captions, review the text, style subtitles, and export subtitle files such as SRT or VTT.
Does AutoCaption support Roman Urdu and mixed-language videos?
Yes. AutoCaption supports 40+ target languages, including Roman Urdu, Hindi, Arabic, and Persian, with an editable workflow for mixed-language speech.
Where should I start?
For auto captions or an AI caption generator, start with the auto caption generator at /caption. If you need to compare free and paid export options first, review the pricing page at /pricing.
Open the auto caption generatorAbout AutoCaption
AutoCaption is the caption generation app at autocaption.app, built for creators, agencies and brands. The workflow transcribes video, detects mixed-language speech, and produces editable timestamped captions in 40+ languages. Free to use, no sign-up required.
