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CodePrettify

Format, inspect & repair JSON, code, and docs locally.

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Overview

CodePrettify is a privacy-first browser extension and Windows app for making raw code, structured data, configuration, docs, and feeds easier to understand. It automatically opens supported resources in a searchable, foldable workspace where you can format, validate, compare, repair, and transform JSON; inspect schemas and paths; generate typed code; and map documents as diagrams. It also includes an HTTP client, JavaScript and regex playgrounds, security scanning, exports, and data-conversion tools. Everything runs locally unless you explicitly send a request with the HTTP Client. The Windows app adds local-file tabs, Explorer integration, CSV and HTML support, and safe Save/Save As workflows.

Short description

CodePrettify turns raw JSON, JavaScript, Markdown, XML, YAML, TOML and CSS into a searchable local workspace. Format, validate, compare, repair, visualize and generate typed models without uploading your files.

Key Features

  • Format and inspect JSON, JavaScript, Markdown, XML, YAML, TOML, CSS, and feeds
  • JSON Path, schema validation, repair, transformations, and table views
  • Generate typed models and JSON Schema from JSON samples locally
  • Diagram Generator with SVG, PNG, and Mermaid exports
  • Semantic side-by-side diff, security scan, and client-side utilities
  • HTTP client plus JavaScript and regex playgrounds for debugging
  • Client-side processing: your code and payloads stay on your device
  • Windows app with local tabs, Explorer integration, and CSV/HTML support

Who Is It For

Target audience

Software developers and data engineers working with structured data, typically in small to medium-sized tech companies or as independent professionals.

Best for

Developers, analysts, and technical teams who inspect APIs, configs, code bundles, docs, or local structured files.

Not for

People seeking a cloud IDE, team collaboration, hosted storage, or a replacement for a full source-code editor.

Strengths & Weaknesses

Strengths
Easy to useGreat documentationGenerous free planWorks offlineGood privacy practices
Weaknesses
No mobile appLimited integrations

Classification

Competitors
PostmanInsomniaJSONLintSwagger

Alternatives to CodePrettify

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How we sourced this: Observed fields () were crawled from https://prettify.cloud and are stated as fact. AI-inferred fields () were generated by gpt-4o-mini and are always labelled – never presented as measured fact. Founder-edited fields () have been corrected by the verified owner. Last updated: 12 August 2026.