Converters & Utilities
Format converters, archive tools and everyday developer utilities.
Extract Archive
Open any archive format without installing software.
Create ZIP
Pack files into a ZIP, with compression and optional password.
Convert Archive
Convert an archive from one format to another.
Font Converter
Convert fonts between TTF, OTF, WOFF and WOFF2.
Font Inspector
Explore glyphs, metrics and Unicode coverage of any font file.
Font Subsetter
Strip a font to only the characters your page actually uses.
Ebook Converter
Convert ebooks between EPUB, MOBI, AZW3, FB2 and TXT.
Beta
Text to Speech
Turn text into speech with a local AI voice model. No per-character fees.
Beta
Speech to Text
Transcribe recordings with Whisper. Timestamps and captions included.
Subtitle Editor
Edit subtitle text and timing, fix overlaps, shift timestamps, convert formats.
QR Code Generator
Generate QR codes for URLs, WiFi, contacts and more.
QR Code Reader
Decode a QR code from an image or your camera.
Hash & Checksum
Calculate checksums for files or text — streams large files without loading them into memory.
Base64 Encode / Decode
Encode and decode Base64 for text, files and data URIs.
JSON Formatter
Format, validate and query JSON, or convert it to YAML, CSV or TOML.
CSV Viewer & Converter
View and query CSV files, then export as JSON, XLSX or Markdown.
Text Diff
Compare two versions of any text or file, word by word.
Batch File Rename
Rename a folder of files with patterns, regex and tokens, then download as ZIP.