JSON Formatter / Validator / Minifier
Format, validate, and minify JSON content locally.
Find MIME types by extension or extension by MIME type. The workflow stays in your browser so you can move faster without uploading routine data.
Find MIME types by extension or extension by MIME type. The workflow stays in your browser so you can move faster without uploading routine data.
Find MIME types by extension or extension by MIME type.
MIME Type Lookup runs locally in your browser by default, so Koiloop does not need to upload that input to a server.
MIME Type Lookup is best for routine work, and Koiloop keeps the experience browser-based whenever possible.
Signals that help people understand how this page behaves before they paste real data.
Format, validate, and minify JSON content locally.
Convert plain text to Base64 and decode Base64 back to text.
Encode URL-safe strings and decode percent-encoded values.
Encode and decode HTML entities without leaving the browser.