Free Online SRT & Subtitle Editor

Edit SRT files, style subtitles, translate captions, and burn them into your videos. Edit subtitles with frame-level precision—no software installation required.

The Most Powerful Online Subtitle Editor

Everything you need to format, style, and synchronize SRT files inside a beautiful, web-based interface.

Word-Level Precision Editing

Edit subtitles with absolute accuracy. Adjust timestamps down to the millisecond to keep text in perfect sync with audio.

Easy Subtitle Preset Styles

Style your captions with advanced controls. Customize subtitle fonts, layout positioning, shadow sizes, borders, and animations to fit your video's style.

Re-align, Regroup & Re-speed Sync

Easily split, merge, speed up, or slow down subtitle blocks with automatic timing adjustments to match your video's pace.

Translation & Comparison Edit

Translate your subtitles into over 30 languages and review edits side-by-side using our smart dual-pane comparison editor.

Simple & Easy Subtitle Editing

No complex timelines or steep learning curves. Get perfect subtitles in three simple steps.

Upload Video & Subtitles

Upload your video file and existing SRT subtitles.

Edit and Style

Refine timestamps, fix typos, and apply style presets.

Export in One Click

Export the updated SRT file or video with burned-in subtitles.

Frequently Asked Questions

Everything you need to know about SRTGen's subtitle editor.

Ready to Style and Edit Your Subtitles?

Start creating stunning subtitles and perfectly synced SRT files in seconds. No software installation needed.

Trusted by 10,000+ Creators

> "The sub-second precision is incredible. I can synchronize subtitles down to the millisecond with ease." > — **@Rivera** > "Outstanding SRT editor! The presets let me style captions for YouTube shorts in seconds." > — **@Chen** > "The automatic regrouping is a life-saver for long videos. It keeps lines readable automatically." > — **@Thorne** > "I love the side-by-side comparison pane. Translating and proofing subtitles is super fast." > — **@Rossi** > "Frames-matching alignment ensures zero delay. Best online caption editor hands down." > — **@Wilson** > "Importing SRT and exporting hardcoded styled video in one workflow saves so much time." > — **@Tanaka** > "Handles ASS styling perfectly. No loss of fonts or positioning during imports." > — **@Smith** > "Intuitive timeline controls. Splitting and merging blocks is completely seamless." > — **@Gomez** > "Great interface, no learning curve. I was editing files within seconds of uploading." > — **@Harris** > "Highly recommend for anyone localizing videos. Dual-pane comparison is fantastic." > — **@Mason** > "Very reliable. Keeps timing accurately synced even after translating to different languages." > — **@Lopez** > "The preset styles are beautiful. Instant premium styling for all my tutorials." > — **@Patel** > "Very fast, no installation needed. Works perfectly on my Chromebook." > — **@Elena** > "Helps me make high-engagement TikTok captions. The styling tools are very modern." > — **@Jack** > "Perfect tool for video editors. SRT export is fast and clean." > — **@Amy** > "Allows me to keep captions matches with speakers perfectly. Intuitive speaker tags." > — **@Brian** > "Saves me hours of manual caption syncing. The AI timing adjustments are spot on." > — **@Clara** > "Solid editor. Been using it for all client deliverables. Very reliable." > — **@Dennis** > "Good tool. Simple, straightforward, and does exactly what it promises." > — **@Evgeny** > "Excellent ASS and VTT parsing. Best free tool for professional captioning." > — **@Marie** > "Translate captions in one click and check them side by side. Amazing convenience." > — **@Radu** > "A must-have for content creators. Makes video styling and subtitling painless." > — **@Franco** > "The timing precision and waveform visualization make editing subtitles extremely easy." > — **@Etta** > "Extremely fast. Translates and syncs multi-hour lectures in minutes." > — **@Lukas**

Frequently Asked Questions

Is this SRT subtitle editor completely free?

Yes, our online subtitle editor is 100% free to use. You can import, edit, style, and export subtitle files (like SRT, VTT, and ASS) without paying anything.

Can I burn subtitles into my video?

Absolutely! After importing your video and editing your subtitles, you can choose to export the video with the styled subtitles permanently burned-in (hardcoded).

What subtitle file formats are supported?

We support importing and exporting all major subtitle formats, including SubRip (.srt), WebVTT (.vtt), and Advanced SubStation Alpha (.ass).

Do I need to download or install any software?

No installation is required. SRTGen's subtitle editor works entirely inside your modern web browser (Chrome, Safari, Edge, Firefox) on both desktop and mobile.

Can I translate my subtitles to another language?

Yes! The editor features built-in AI translation capabilities that allow you to translate your SRT files into over 30 languages while maintaining accurate sync.