Beginner Path
Developer Basics, JSON, YAML, XML, HTTP, REST APIs, JWT, Regex, Markdown, and Diff Tools.
Start pathDeveloper Portal
Welcome back
A personal dashboard for your recent tools, pinned workflows, learning progress, documentation, settings, and release updates.
20 results
ToolEncoding ToolkitEncode and decode Base64, Base64URL, URLs, HTML entities, Unicode, hex, binary, ASCII, and UTF-8 locally.ToolJSON ToolkitFormat, validate, visualize, query, diff, flatten, convert, and generate types from JSON locally.ToolJSON VisualizerExplore JSON as an interactive tree with search, JSONPath copying, and structure statistics.ToolJSON Code GeneratorGenerate typed models, schemas, and structs from JSON across popular languages.ToolJSONPath TesterEvaluate JSONPath expressions against JSON and inspect matched results.ToolJSON Schema ValidatorValidate JSON data against JSON Schema and inspect detailed Ajv errors.ToolJSON FlattenFlatten nested JSON into path keys or unflatten path-key objects back into nested JSON.ToolcURL ParserParse cURL commands and convert them into client-side HTTP code snippets.ToolAPI PlaygroundBuild, import, and export API requests locally without executing them.ToolAPI Request BuilderBuild HTTP requests and generate client code without sending the request.ToolHTTP Headers InspectorParse and analyze HTTP request/response headers, cookies, and metadata locally.ToolCSV ViewerConvert CSV to JSON or preview delimited data as a table.
Continue Where You Left Off
Fast entry points based on your local recent and pinned tools.
RecommendedMarkdown StudioEdit, preview, analyze, convert, and build Markdown documents locally with sanitized GitHub-Flavored Markdown preview.RecommendedDiff StudioCompare text, JSON, YAML, XML, and Markdown locally with semantic reports and exports.RecommendedAPI PlaygroundBuild, import, and export API requests locally without executing them.RecommendedRegex StudioTest, replace, explain, and reference JavaScript regular expressions locally.RecommendedJSON ToolkitFormat, validate, visualize, query, diff, flatten, convert, and generate types from JSON locally.RecommendedJWT Inspector ProDecode, verify, generate, compare, audit, and timeline JWTs locally in the browser.
Recently Used Tools
No recent sessions yet. Open a tool to start building your recent list.
Pinned Tools
Pin your favourite tools for quick access.
Recent Sessions
Temporary workspace sessions live only in this browser session.
Latest Updates
Recently expanded workspaces and platform surfaces.
UpdatedMarkdown StudioEdit, preview, analyze, convert, and build Markdown documents locally with sanitized GitHub-Flavored Markdown preview.UpdatedDiff StudioCompare text, JSON, YAML, XML, and Markdown locally with semantic reports and exports.UpdatedAPI PlaygroundBuild, import, and export API requests locally without executing them.UpdatedRegex StudioTest, replace, explain, and reference JavaScript regular expressions locally.UpdatedJSON ToolkitFormat, validate, visualize, query, diff, flatten, convert, and generate types from JSON locally.UpdatedJWT Inspector ProDecode, verify, generate, compare, audit, and timeline JWTs locally in the browser.
Learning
Roadmaps, progress, bookmarks, and recently viewed Learn articles.
Progress
0%
0 of 17 articles viewed on this device.
Bookmarks tracked: 0. Bookmark UI can be expanded later.
Intermediate Path
Move from formats into API design, request debugging, webhooks, URL handling, and SQL.
Start pathAdvanced Path
OAuth, JWT security, caching, rate limiting, webhooks, encoding versus encryption, diff algorithms, and regex performance.
Start pathRecent Documentation
Useful documentation entry points for the tools you are most likely to use next.
DocsEncoding ToolkitEncode and decode Base64, Base64URL, URLs, HTML entities, Unicode, hex, binary, ASCII, and UTF-8 locally.DocsJSON ToolkitFormat, validate, visualize, query, diff, flatten, convert, and generate types from JSON locally.DocsJSON VisualizerExplore JSON as an interactive tree with search, JSONPath copying, and structure statistics.DocsJSON Code GeneratorGenerate typed models, schemas, and structs from JSON across popular languages.DocsJSONPath TesterEvaluate JSONPath expressions against JSON and inspect matched results.DocsJSON Schema ValidatorValidate JSON data against JSON Schema and inspect detailed Ajv errors.
Continue Learning
Pick up with core guides and newer learning paths.
BeginnerJSONLearn how JSON represents structured data for APIs, configs, and logs.BeginnerYAMLLearn YAML configuration syntax, indentation, and conversion tradeoffs.IntermediateJWTLearn JSON Web Token structure, claims, signatures, and safe inspection.BeginnerBase64Learn what Base64 encoding is, where it appears, and why it is not encryption.BeginnerHTTPLearn HTTP requests, responses, headers, methods, and local inspection.IntermediateRegexLearn regular expressions for matching, extracting, and replacing text.
Developer News
Placeholder for future platform announcements, ecosystem updates, and maintenance notes.
Keyboard Shortcuts
- Ctrl/Cmd + K: open command palette
- Tab / Shift+Tab: move between controls
- Escape: close dialogs and overlays
Tips & Tricks
- Start with Universal Workspace when you are not sure which tool fits.
- Use favorites to keep repeated workflows one click away.
- Open examples from Learn articles directly in tools through temporary handoff.
Settings
These controls model app-wide preferences and store only preference values in localStorage.
Local Storage Controls
Clear portal settings and local usage analytics. Tool content is not stored here.
Release Notes
0.9.0
Developer Portal and Learn Center
Unified dashboard, learning routes, documentation, and cross-tool navigation.
0.8.0
Markdown Studio and Diff Studio
Client-side document editing, sanitized previews, and semantic comparisons.
0.7.0
API Playground
Request building, importing, validation, preview, and export without sending traffic.
Upcoming Features
Upcoming areas include richer docs bookmarks, learning achievements, portal-wide command actions, expanded settings, and integrated release history.