Tool Library

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Browse across 52 tools, narrow the list with the rail, and open a utility without wading through one long homepage.

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JSON Formatter

Format, validate, and inspect JSON payloads without leaving the browser.BE

Base64 Encode / Decode

Encode text to Base64 or decode payloads back into readable text instantly.JD

JWT Decoder

Inspect JWT header and payload claims locally without verifying the signature.RT

Regex Tester

Test JavaScript regular expressions against sample text with live match feedback.

Results (52)

Browse the complete library or narrow the list with the lane selector.

JSON Formatter

Structured Data Format, validate, and inspect JSON payloads without leaving the browser.JD

JSON Diff Viewer

Structured Data Compare two JSON values and focus on structural changes instead of raw text noise.CT

CSV to JSON

Structured Data Turn pasted CSV data into clean JSON arrays for APIs, fixtures, and tests.JT

JSON to CSV

Structured Data Flatten simple arrays of objects into CSV for spreadsheets and exports.YT

YAML to JSON

Structured Data Convert YAML config into JSON to verify shape before shipping it elsewhere.XF

XML Formatter

Structured Data Beautify XML documents and make dense payloads readable again.BE

Base64 Encode / Decode

Encoders & Decoders Encode text to Base64 or decode payloads back into readable text instantly.UE

URL Encode / Decode

Encoders & Decoders Escape query fragments and decode percent-encoded text during API debugging.QS

Query String Parser

Encoders & Decoders Break down URL query strings into readable key-value pairs.JD

JWT Decoder

Security & Identity Inspect JWT header and payload claims locally without verifying the signature.UG

UUID Generator

Security & Identity Generate UUIDs for distributed systems, test data, and temporary identifiers.S2

SHA-256 Hash Generator

Security & Identity Generate SHA-256 hashes in the browser for integrity checks and quick comparisons.RT

Regex Tester

Debugging & Text Test JavaScript regular expressions against sample text with live match feedback.DC

Diff Checker

Debugging & Text Compare two text blocks side by side and focus on what changed.LF

Log Formatter

Debugging & Text Normalize pasted log output and pretty-print JSON log lines for faster debugging.MH

Markdown ↔ HTML

Debugging & Text Convert Markdown to HTML and back while keeping the workflow fully local.UT

Unix Timestamp Converter

Web Platform Convert timestamps to readable dates and switch between common time formats.CB

CSP Builder

Web Platform Compose Content Security Policy directives locally and inspect the resulting header.CC

Color Converter

Web Platform Convert colors between hex, RGB, HSL, and OKLCH formats with a live swatch preview.CE

Cron Expression Parser

Debugging & Text Parse cron expressions into plain English and preview the next scheduled run times.JT

JSON to TypeScript

Structured Data Generate TypeScript interfaces and types from JSON payloads for quick type scaffolding.HG

Hash Generator

Security & Identity Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes entirely in the browser.HE

HTML Entity Encode / Decode

Encoders & Decoders Escape and unescape HTML entities using named, numeric, or hex references.PG

Password Generator

Security & Identity Generate cryptographically secure passwords with configurable character sets and length.NB

Number Base Converter

Encoders & Decoders Convert numbers between binary, octal, decimal, and hexadecimal with large integer support.SC

String Case Converter

Encoders & Decoders Convert text between camelCase, snake_case, kebab-case, PascalCase, and more.JP

JSON Path Tester

Structured Data Query JSON data with JSONPath expressions and inspect matched results.WC

Word / Character Counter

Debugging & Text Count characters, words, sentences, and paragraphs with reading time estimates.SG

Slug Generator

Web Platform Generate clean, URL-friendly slugs from any text with accent transliteration.TT

TOML to JSON

Structured Data Convert TOML configuration files to JSON with a zero-dependency parser.JS

JSON Schema Validator

Structured Data Validate JSON data against a JSON Schema draft with detailed error reporting.HG

HMAC Generator

Security & Identity Compute HMAC signatures with SHA-1, SHA-256, SHA-384, or SHA-512 for API debugging.MT

Meta Tag Generator

Web Platform Build Open Graph and Twitter Card meta tags with a live social media preview.HS

HTTP Status Code Reference

Web Platform Searchable reference for HTTP status codes with descriptions and common causes.EU

Escape / Unescape

Debugging & Text Escape and unescape strings for JSON, HTML, URL, regex, SQL, and CSV in one place.UG

ULID Generator

Security & Identity Generate and parse ULIDs — time-sortable unique identifiers using Crockford Base32.PK

PEM Key Parser

Security & Identity Paste a PEM-encoded key or certificate and inspect algorithm, key size, and OIDs.MC

Morse Code Translator

Encoders & Decoders Translate text to Morse code and back with bidirectional conversion.UL

Unicode Lookup

Encoders & Decoders Inspect characters to see codepoints, UTF-8/16 encoding, names, and Unicode blocks.HV

Hex Viewer

Encoders & Decoders View text, hex, or Base64 input as a classic hex dump with offset and ASCII columns.XT

XML to JSON

Structured Data Convert XML documents to JSON with attributes, CDATA, and repeated element support.JM

JSON Minifier

Structured Data Strip whitespace from JSON to produce compact payloads with size savings breakdown.JT

JSON to YAML

Structured Data Convert JSON data to clean YAML with proper indentation and scalar formatting.JT

JSON to Table

Structured Data Render JSON arrays as a visual table for quick data inspection.AB

ASCII Box Drawing

Debugging & Text Generate ASCII art boxes and tables with multiple border styles.DP

Diff Patch Applier

Debugging & Text Apply unified diff patches to source text and preview the result.TG

TOTP Generator

Security & Identity Generate time-based one-time passwords for debugging 2FA setups.FT

Favicon Tag Generator

Web Platform Generate HTML link tags and web manifest for favicons at all standard sizes.RT

Robots.txt Validator

Web Platform Parse robots.txt rules and test URLs against them for any user-agent.TC

Tailwind Class Sorter

Web Platform Reorder Tailwind CSS classes into the recommended conventional order.SV

Sitemap Validator

Web Platform Validate XML sitemaps for structure, required elements, and URL format.PG

Placeholder Generator

Debugging & Text Generate lorem ipsum text, mock JSON arrays, or CSV test data on the fly.