JSON Wallet workspace

Tools for JSON, APIs and developer data

A fast, privacy-first workspace. Everything below runs locally in your browser — no signup, and your data never leaves your device unless you explicitly share it.

JSON

Edit, format, validate, repair and explore JSON — entirely in your browser.

JSON EditorMulti-tab editor with tree, table and text views.Formatter & BeautifierPretty-print or minify JSON in one click.ValidatorLive valid / invalid badge with line and column.RepairFix trailing commas, quotes and unescaped characters.Tree & Table ViewerExpand nested objects or scan arrays like a sheet.JSON DiffCompare two documents and highlight every change.Size AnalyzerSee which fields make a payload heavy.

API

A lightweight, privacy-first API client that runs from your browser.

API ClientSend GET/POST/PUT/PATCH/DELETE requests from your browser.Response InspectorStatus, time, size, headers and formatted body.CollectionsOrganize and save requests locally.Environments{{baseUrl}} variables per environment.HistoryRe-run recent requests.AI AssistantPrivacy-first AI helper for JSON & APIs. Coming soon.

Transform

Convert JSON to and from the formats you work with every day.

JSON → CSVFlatten records into a spreadsheet-friendly table.JSON → YAMLConvert between JSON and YAML.JSON → XMLConvert JSON into XML.JSON → SQLGenerate INSERT / CREATE TABLE statements.Stringify / EscapeEscape, stringify, Base64 and URL encode.

Schema & Code

Generate schemas and typed models from a sample payload.

JSON Schema GeneratorInfer a JSON Schema from your data.JSON → TypeScriptGenerate interfaces from JSON.JSON → JavaRecord, POJO or Lombok classes.JSONPath / QueryQuery JSON with $.users[*].name.

Developer Tools

Everyday utilities for working with tokens, encoding and time.

JWT DecoderDecode and inspect JWT header and payload.Hash GeneratorSHA-1, SHA-256, SHA-384 and SHA-512 digests.Regex TesterTest regular expressions against text live.Base64 Encoder/DecoderEncode and decode Base64 in the editor.URL Encoder/DecoderPercent-encode and decode in the editor.Timestamp ConverterEpoch ↔ human-readable dates.UUID GeneratorGenerate v4 UUIDs.Sensitive Data DetectorFlag emails, tokens and secrets.