Tool directory

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Search every browser-based utility by name, category or task.

All tools

47 tools

{}JSON

JSON Formatter

Format, validate and minify JSON instantly.

JSON

✓{}JSON

JSON Validator

Validate JSON and pinpoint syntax errors by line and column.

JSON

[]JSON

JSON Generator

Build a nested schema and generate mock JSON records.

JSON

±JSON

JSON Diff

Compare two JSON documents structurally.

JSON

{}yJSON

JSON ↔ YAML Converter

Convert JSON to YAML and YAML to JSON.

JSON

y:YAML

YAML Formatter

Format and re-indent YAML documents.

YAML

✓yYAML

YAML Validator

Validate YAML with line-level error messages.

YAML

y+YAML

YAML Generator

Generate YAML test and configuration data from a schema.

YAML

y±YAML

YAML Diff

Compare two YAML documents structurally.

YAML

y{}YAML

YAML ↔ JSON Converter

Convert YAML to JSON and JSON to YAML.

YAML

APIAPI & Auth

API Testing Workbench

Send real HTTP requests from your browser with auth, body, assertions and cURL import.

API & Auth

b:aAPI & Auth

Basic Auth Header Generator

Generate HTTP Basic Authentication headers.

API & Auth

brrAPI & Auth

Bearer Token Header Generator

Generate an Authorization Bearer header from an access token.

API & Auth

jwtAPI & Auth

JWT Decoder

Decode JWT header, payload and claims in your browser.

API & Auth

sigAPI & Auth

JWT Generator

Create signed test JSON Web Tokens (HS256/384/512).

API & Auth

hdrAPI & Auth

HTTP Header Generator

Build HTTP request headers for API testing.

API & Auth

$API & Auth

cURL Command Generator

Build cURL commands for API requests.

API & Auth

$.Testing

JSONPath Tester

Evaluate JSONPath expressions against JSON.

Testing

.*Testing

Regex Tester

Test regular expressions with groups, highlighting and replace.

Testing

//Testing

XPath Tester

Evaluate XPath expressions against XML or HTML.

Testing

#.Testing

CSS Selector Tester

Test CSS selectors against HTML and preview matches.

Testing

200Testing

HTTP Status Codes

Searchable HTTP status code reference.

Testing

✓✕Testing

API Assertions

Assert status, body text and JSONPath values of API responses.

Testing

#{}Test Data

JSON Test Data Generator

Generate realistic synthetic JSON records with nested objects and arrays.

Test Data

usrTest Data

Random User Generator

Generate synthetic users with names, emails, phones and addresses.

Test Data

idTest Data

UUID Generator

Bulk UUID v4 generation.

Test Data

@Test Data

Email Generator

Generate synthetic test email addresses on safe domains.

Test Data

csvTest Data

CSV Test Data Generator

Define columns and generate CSV test data.

Test Data

rndTest Data

Random Value Generator

Generate lists of emails, names, UUIDs and more in bulk.

Test Data

mdMarkdown

Markdown Viewer

Preview Markdown side by side with safe rendering.

Markdown

md✎Markdown

Markdown Editor

Edit Markdown with a toolbar, shortcuts and live preview.

Markdown

md>Markdown

Markdown → HTML

Convert Markdown to sanitized HTML.

Markdown

|-|Markdown

Markdown Table Generator

Build Markdown tables with alignment.

Markdown

tocMarkdown

Markdown TOC Generator

Generate a table of contents from Markdown headings.

Markdown

b64Encoding

Base64 Encoder / Decoder

Encode and decode Base64 strings.

Encoding

%Encoding

URL Encoder / Decoder

Percent-encode and decode URL components.

Encoding

&;Encoding

HTML Encoder / Decoder

Encode and decode HTML entities.

Encoding

U+Encoding

Unicode Converter

Convert text to Unicode code points and back.

Encoding

+-Text

Diff Checker

Compare two texts line by line, side-by-side or unified.

Text

AaText

Case Converter

Convert text between camelCase, snake_case, Title Case and more.

Text

123Text

Word Counter

Count words, characters, lines, sentences and paragraphs live.

Text

≡Text

Line Tools

Sort, dedupe, trim, number, reverse, join and split lines.

Text

*/5DevOps

Cron Expression Tester

Explain cron expressions and preview next and previous runs.

DevOps

c+DevOps

Cron Generator

Compose cron expressions field by field.

DevOps

⌛DevOps

Timestamp Tools

Unix timestamp to human date and back.

DevOps

dkrDevOps

Docker Helpers

Generate docker run commands and docker-compose.yml files.

DevOps

k8sDevOps

Kubernetes YAML Tools

Generate Deployment, Service, ConfigMap and Secret YAML.

DevOps