Free tools
Free tools for subtitles and images.
Everything runs in your browser: your files are never uploaded. More tools are available in Indonesian, see Alat gratis.
Subtitles & video
SRT to VTT Converter
Convert SRT subtitles to WebVTT (VTT) or back in seconds.
Subtitles & video
Subtitle Timing Shifter
Subtitles out of sync? Shift all SRT or VTT timings forward or back, or fit two reference points to fix drift.
Images
Image to WebP Converter
Convert JPG or PNG images to WebP to cut file size and speed up your website.
Images
WebP to JPG/PNG Converter
Turn WebP images into JPG or PNG so they open everywhere and upload to any form.