Free subtitle tools
Free SRT and VTT
subtitle tools.
Convert, sync, check and edit subtitle files. Everything runs in your browser, without an upload or an account.
Find your tool ↓Check & refine
Subtitle checkerFind malformed timestamps, overlapping cues, missing numbers and empty subtitles. Preview chosen repairs before downloading.↗Subtitle readability checkerInspect reading speed, line length, cue duration and gaps against limits you can adjust for your project.↗Subtitle editorEdit subtitle words and timestamps, then preview them over an optional video from your own device.↗Subtitle line breakerReflow subtitle lines to a chosen visible-character width without changing word order or cue timing.↗Remove subtitle formattingRemove subtitle styling tags and ASS overrides, with separate options for sound descriptions and speaker labels.↗Renumber subtitlesWrite consecutive subtitle numbers, optionally sorting cues and removing empty or exact duplicate entries.↗
Convert & extract
SRT to VTT converterConvert SubRip subtitles into WebVTT with a proper header, decimal timestamps and escaped text.↗VTT to SRT converterConvert WebVTT to numbered SRT cues while reviewing settings and styling that SRT cannot carry.↗Subtitle to textExtract a readable transcript from SRT or VTT with optional timestamps, cue lines or paragraphs.↗Subtitle word counterCount words, visible characters, cue time and words per minute, with an adjustable reading-rate estimate.↗
Get the timing right
Subtitle time shiftMove subtitles earlier or later by a precise offset, with an optional starting point for partial changes.↗Subtitle frame-rate converterScale subtitle timing between frame rates or align a growing delay using two matching sync points.↗Merge subtitlesCombine two subtitle tracks at their existing times, or append a second part at an explicit offset.↗Split subtitlesSplit subtitles at a chosen time and decide exactly what happens to a cue that crosses the cut.↗
Private by design.
Open or paste up to 5 MiB and 20,000 cues per subtitle file. Processing happens on your device. Subtitle content and local preview videos are never uploaded, and session recording is disabled on these pages. Reloading clears your work. Read our privacy policy.