SRT Editor is an online subtitle editor for SubRip Subtitle (SRT) file, it allows you to batch-adjust the playback speed and timing offset of subtitles, and also provides the ability to individually adjust the order, timecodes, and text of each subtitle segment.

SRT To VTT Converter enables seamless conversion between SubRip Subtitle(.srt) and Web Video Text Tracks (WebVTT)(.vtt) subtitle file formats. Simply select either an .srt or .vtt formatted file, and the converter will automatically transform it into the another format.

Excel/CSV To JSON Converter can convert copied Excel data or CSV data into multiple formats such as JSON, XML, HTML, MySQL, PHP, Python, and more. Simply copy and paste the data from an Excel or CSV file to perform the conversion!

BIP39 Passphrase Generator can generate BIP39 passphrase from existing or random mnemonic, or get the mnemonic from the passphrase.