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Kyane app icon

Kyane

after Kyaneai

A macOS local formatter and validator for JSON, SQL, XML, and curl.

Formats and validates pasted content locally — JSON, SQL, XML, and curl — without sending anything online.

Read the quick guide →Changelog →
Kyane running on macOS
Paste developer data. Kyane detects and validates it locally.
Kyane running on macOS
Seventeen tools across structured data, encoding, tokens and developer text — and exactly which of them a licence unlocks.

Plans

Free to try. Yours for good.

Free

Freev1.1.0

Format & validate, fully local.

  • JSON validation, formatting, minifying, conversion to YAML, CSV, XML, query strings, and .env, schema validation, sample generation, and Swift Codable generation from either a schema or a sample payload
  • XML validation, formatting, minifying, and JSON conversion
  • Base64 encode and decode
  • URL encode, decode, parse, tracking-parameter cleaning, query sorting, and query-data conversion
  • Timestamp conversion to local date, UTC date, Unix seconds, and Unix milliseconds
  • JWT parsing, claim validation, expiry countdown, and HS256 signature verification with a shared secret you supply
  • MD5, SHA-1, SHA-256, and SHA-512 generation and comparison
  • Memory-only session history, saved workflows, project profiles, and the offline CLI, with each step still following its own tool's tier
  • JSON and XML batch processing, plus Process with Kyane macOS Service actions that follow the detected tool tier
Download

Lifetime

Best value

$39one-time

Every feature, once. Yours to keep.

Everything in Free, plus

  • YAML validation, formatting, and JSON conversion
  • CSV and TSV parsing, table preview, and conversion
  • HTML escape, unescape, tag stripping, and minifying
  • HTTP Headers parsing, JSON export, cookie extraction, and bearer-token routing
  • .env validation, sorting, conversion, masking, and reveal controls
  • Regex evaluation, replacement preview, presets, and safety diagnostics
  • Allowlisted JS Expression string transformations and validation
  • SQL validation, beautifying, and minifying
  • Diff comparison, side-by-side output, changed paths, summary, and unified patch
  • cURL parsing, redaction, routing, and Swift, JavaScript, Python, and Go client generation
  • YAML, SQL, CSV, and TSV batch processing
Buy

Local-first · No account · One-time purchase, no subscription

What it is

  • A macOS local formatter and validator.
  • A small workspace for cleaning up pasted JSON, SQL, XML, and curl without leaving your Mac.

What it is not

  • Not an online formatter.
  • Not a JavaScript-related app.
  • Not a cybersecurity tool.

The name

Named after Kyaneai.

Ancient city · Antalya & Lycia

Kyane takes its name from Kyaneai, an ancient Lycian place near Kaş. Small, old, and tucked into the hills — which felt right for a tiny tool that quietly cleans up what you paste.

Roots matter.

Kyane — heritage illustration

Why Kyane exists

Kyane app icon

Kyane belongs to the DNZ Labs macOS atlas — local-first tools, quiet defaults, and roots in Antalya.