Format JSON, validate payloads, decode JWTs, test regex patterns, generate UUIDs, and convert data online in one browser-based toolkit. Everything runs locally in your browser for quick debugging and safe data handling.
No installation, no setup. Open a tool and start working immediately in your browser.
Data stays local. Everything processes in your browser without sending information elsewhere.
No paywalls, no limits, no feature restrictions. Every tool is completely free to use.
17 workflows in this category.
Format, validate, and minify JSON with indentation controls and clear parse.
Validate JSON instantly, surface parse errors, and inspect a cleaned version when the payload is valid.
Strip extra whitespace from JSON and generate compact payloads for configs, fixtures, and API requests.
Compare two JSON documents and review key-level additions, removals, and value changes side by side.
Convert between JSON and YAML for configs, OpenAPI specs, fixtures, and deployment files.
Convert CSV rows into JSON arrays and turn JSON records back into export-ready CSV.
Decode JWT headers and payloads in the browser to inspect claims, expiry, issuer, and subject fields.
Encode plain text into Base64 or decode Base64 strings back into readable UTF-8 text.
Encode query strings and URLs safely or decode percent-encoded text back into readable content.
Generate one or many UUIDs instantly for database records, test fixtures, and distributed systems work.
Convert Unix timestamps into human-readable dates and turn dates back into seconds or milliseconds.
Test JavaScript regular expressions against sample text, inspect matches, and review captured groups.
Format SQL queries for readability with indentation, keyword casing, and multiple dialect options.
Beautify HTML, CSS, or JavaScript snippets with indentation and copy-ready formatted output.
Format and validate XML strings for feeds, configs, and document payloads without leaving the browser.
Run JSONPath expressions against nested JSON and inspect the exact matches that come back.
Generate common cryptographic hashes for plain text input directly in the browser.