All 53 tools

Every utility VibeGear ships. Pick one — or install the extension and get all of them in one tab. All tools run locally; nothing leaves your browser.

Install for Chrome →How it all fits together

Premium · in the extension

Pricing →

Flagship

JS / TS playground

Premium

Real ES module, sandboxed, with console + network monitor.

HTTP client

Premium

Test any API — methods, headers, auth, body, all in one tab.

GraphQL client

Premium

Run GraphQL queries with variables and one-click schema introspection.

WebSocket tester

Premium

Connect to any wss:// — send messages, watch traffic live.

SSE tester

Premium

Test SSE endpoints — with custom headers, where EventSource can’t.

Code diff

Premium

Side-by-side diff with syntax highlighting for 20+ languages.

API testing

cURL ↔ fetch / axios / Python

Paste any curl command, get runnable code in your language.

OpenAPI importer

Premium

Drop a swagger.json / openapi.yaml and get a runnable collection.

JSON & data

JSON formatter & validator

Pretty-print, validate, and explore any JSON — locally, in your browser.

JSON validator

Validate JSON syntax with line-precise errors, instantly.

JSON → TypeScript

Generate TypeScript interfaces from a JSON sample.

JSON → JSON Schema

Derive a Draft 2020-12 schema from a JSON sample.

JSON Schema validator

Validate any JSON against any JSON Schema, live.

JSONPath tester

Run JSONPath expressions against any JSON, live.

JSON explorer

Tree view for big JSON. Search, expand, copy paths.

Inspectors

JWT debugger

Decode tokens, see claims, spot expired sessions.

OAuth 2.0 helper (PKCE + URLs)

Generate PKCE values, build authorize URLs, parse return URLs.

Syntax validator

Validate JSON, YAML, XML, JavaScript, or TypeScript syntax with line numbers.

Regex tester

Live highlighting, capture groups, multi-flavor compatibility checks.

Cron expression decoder

Translate cron expressions to plain English + see the next 5 fire times.

HTTP status codes

Every status code, what it means, when you’ll see it.

User-Agent parser

Paste a UA, see browser / OS / device / bot.

AI token counter

Count tokens locally for OpenAI; estimate for Claude.

Image inspector

Drop an image → dimensions, EXIF, base64 / data URL, SVG optimize.

Generators

JWT signer (HMAC)

Mint test JWTs with arbitrary claims and a secret.

UUID generator

Random or time-ordered UUIDs in any quantity.

Password generator

Cryptographically strong passwords with full character-class control.

Random hex generator

Cryptographically strong hex strings of any length.

Fake data generator

Realistic test data — single items or compound JSON shapes.

QR code generator + decoder

Make QR codes from text and decode them from images — locally.

Web design

Color converter

Paste any CSS color, see all formats — including OKLCH.

WCAG contrast checker

Live contrast ratio with AA / AAA pass-fail badges.

CSS gradient generator

Build linear / radial gradients with draggable stops.

Box-shadow generator

Stack shadows for realistic depth — Material 3, soft elevation, glow.

Cubic-bezier easing

Drag the handles, watch the curve, copy the timing function.

CSS unit converter

px ↔ rem ↔ em ↔ % ↔ vw ↔ vh, all visible at once.

Encoding & hashing

Base64 encoder & decoder

Encode and decode base64 (and base64url) — text or binary.

URL encoder & decoder

Percent-encode / decode any string for URLs.

HTML entities encoder & decoder

Escape <, >, &, " for safe HTML embedding.

Hex encoder & decoder

Bytes ↔ hex strings for protocols, hashes, and dumps.

SHA-256 (and SHA-1 / 384 / 512) generator

Hash any text with SHA-1, SHA-256, SHA-384, or SHA-512.

Converters

JSON to CSV

Turn an array of objects into a CSV with one click.

CSV to JSON

Parse CSV into a typed JSON array, instantly.

YAML to JSON

Parse YAML into pretty JSON in one paste.

JSON to YAML

Reformat JSON as cleaner, comment-friendly YAML.

JSON to XML

Convert JSON objects to clean XML.

XML to JSON

Parse XML into JSON the modern way.

JSON to TOML

Cargo / pyproject / Hugo configs from JSON in one paste.

TOML to JSON

Parse Cargo / pyproject / Hugo TOML into JSON.

Format code

Pretty-print JS, TS, HTML, CSS, Markdown, JSON, YAML, SQL, XML.

Date / time converter

Parse any date in any format. See it in every other format.

Markdown preview

Live GitHub-flavored Markdown to sanitized HTML.

Mermaid preview

Live SVG diagrams from text — flowcharts, sequence, ERD, Gantt.