BytepliersDeveloper Utilities
Coming soonmacOS 14+detected as:precise developer notebook
Paste anything. Get the right tool.
The small conversions and checks developers do all day, in one native window.
Bytepliers is in development — there's nothing to download yet.
Feature tour
In development — current build includes
Bytepliers isn't released yet, so there's nothing to download. These features work in the current development build and may change before release. Requires macOS 14 Sonoma or later.
Detect
Let it recognise what you copied.
Notices what you copied and ranks the best tools, with the reason (“10-digit integer — looks like Unix seconds”)
⇧⌥⌘B detects, converts and replaces your clipboard without opening a window
Convert
Reformat and translate in place.
Format SQL, XML, HTML, CSS and JavaScript, and convert CSV and JSON both ways with a table preview
Turn cURL commands into Swift, fetch or Python, turn JSON into Swift or TypeScript types, and query it with JSONPath
Inspect
Look inside tokens and certificates.
37 tools in one window, grouped into format, convert, encode, inspect and generate
Decode X.509 certificates (subject, issuer, expiry, names, fingerprints) and work out Unix permissions
Automate
Chain tools into recipes.
Chain tools into pipelines and save them as recipes you can run from ⌘K, the menu bar, Shortcuts or a bytepliers:// link
Per-tool history that stays on your Mac, your own JavaScript transforms, and everything runs offline