Instant Timestamp Shifting
Adjust subtitle timing by any number of seconds — including milliseconds. Your shifted file is generated right in the browser, with zero server wait time.
Drop your .srt file here
or click to browse · max 500 KB
Shift out‑of‑sync subtitles by any number of seconds, or translate them to 30+ languages. Upload, edit, download — done in seconds.
Drop your .srt file here
or click to browse · max 500 KB
Drag and drop or browse for your SubRip subtitle file. We support files up to 500 KB — more than enough for a full-length movie.
Need to fix out-of-sync subtitles? Enter the seconds to shift. Want subtitles in another language? Pick from 30+ supported languages.
Your corrected or translated .srt file is ready instantly. Drop it next to your video and hit play — perfectly synced subtitles.
Adjust subtitle timing by any number of seconds — including milliseconds. Your shifted file is generated right in the browser, with zero server wait time.
Translate subtitles to Arabic, French, Spanish, Japanese, German, and dozens more — with natural, accurate results across 30+ languages.
Timestamp shifting happens entirely in your browser — your file never leaves your device. Translation text is sent securely over HTTPS and never stored.
Just a clean tool that does what it says. No account creation, no email harvesting. Open the page and start editing.
Upload your .srt file to Subtitleiy, enter the number of seconds to shift (use a positive number to delay subtitles or a negative number to make them appear earlier), preview the changes, and download the corrected file. The entire process takes under 10 seconds.
Yes! Subtitleiy offers 3 free subtitle translations per day. We support over 30 languages including Arabic, French, Spanish, German, Japanese, Korean, Chinese, Portuguese, Russian, and many more.
Subtitleiy works with .srt (SubRip Subtitle) files — the most widely used subtitle format. SRT files work with virtually every video player including VLC, Plex, Kodi, MPC-HC, and streaming platforms.
No. For timestamp shifting, your file never leaves your browser. For translation, only the text content is sent to our server (via HTTPS) for processing. We never store your subtitle files or translated content.
Translation has running costs on our end. To keep Subtitleiy free for everyone, we limit translations to 3 per day per user. Timestamp shifting is unlimited since it runs entirely in your browser.
Absolutely! The shift input accepts decimal values. For example, enter 1.5 to shift subtitles forward by one and a half seconds, or -0.3 to bring them earlier by 300 milliseconds.