TOOL CATEGORY
Developer & Data
Formatters, validators, encoders and data transformers.
CATEGORY WORKSPACES
Ready in this category.
JWT Expiry Checker
Explain JWT expiry and not-before timing against the current browser clock.
Markdown Preview
Render Markdown to a sanitized on-page preview and reviewable HTML source.
Markdown to HTML
Convert GitHub-flavoured Markdown to downloadable HTML without server processing.
Nano ID Generator
Generate bounded random IDs with selectable URL-safe, alphanumeric, or hexadecimal alphabets.
OpenAPI Example Generator
Generate one deterministic request or response example from an OpenAPI 3 operation.
Regex Tester
Run a bounded JavaScript regular expression and inspect matches, groups, and positions.
SQL Formatter
Format SQL for a selected dialect locally without connecting to or executing on a database.
SQL to JSON
Convert one literal INSERT VALUES statement to JSON without evaluating SQL expressions.
Unix Timestamp Converter
Convert Unix seconds, milliseconds, or ISO-style dates into explicit UTC and local values.
URL Decoder
Decode percent-encoded URL component text and report malformed encoding clearly.
URL Encoder
Encode text for use as one URL component without changing an entire URL.
UUID Generator
Generate cryptographically random RFC 4122 version 4 UUIDs in the browser.