Free Developer & Text Utility Tools

Word & Character Counter

Count words, characters, sentences, paragraphs and estimate reading time instantly.

Case Converter

Convert text to uppercase, lowercase, title case, camelCase, snake_case, kebab-case and more.

JSON Formatter & Validator

Format, validate and minify JSON with syntax highlighting and error detection.

Base64 Encoder / Decoder

Encode and decode text to and from Base64 format instantly.

URL Encoder / Decoder

Encode and decode URLs and query parameters for safe use in links and APIs.

Lorem Ipsum Generator

Generate placeholder text in paragraphs, sentences or words for your designs.

Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text input.

Timestamp Converter

Convert between Unix timestamps and human-readable dates in any timezone.

Regex Tester

Test regular expressions with real-time matching, capture groups and flags.

HTML Entity Encoder / Decoder

Encode special characters to HTML entities or decode them back to text.

Color Format Converter

Convert colors between hex, RGB, HSL and preview them side by side.

UUID Generator

Generate one or multiple random UUIDs (v4) and copy them to your clipboard.

Diff Checker

Compare two blocks of text side by side and highlight the differences.

Markdown to HTML Converter

Convert Markdown to clean HTML with a live preview of the rendered output.

Markdown Table Generator

Paste CSV, TSV, or pipes — get a formatted Markdown table with per-column alignment.

JWT Decoder & Encoder

Decode, inspect, and encode JSON Web Tokens with expiration checking.

JWT Generator

Sign JSON Web Tokens with HS256, HS384, or HS512 in your browser.

Password Generator

Generate strong, random passwords with the Web Crypto API. Fully private.

Bcrypt Generator

Generate and verify bcrypt password hashes in your browser. Configurable cost factor.

Argon2 Generator

Generate and verify Argon2id password hashes in your browser. Configurable memory, time, parallelism.

Password Hash Speed Test

Compare SHA-256, PBKDF2, and bcrypt timings side-by-side. See why fast hashes are bad.

QR Code Generator

Generate QR codes from any text or URL. Download as PNG.

YAML to JSON Converter

Convert between YAML and JSON formats bidirectionally.

XML Formatter & Validator

Pretty-print, minify, and validate XML in your browser. Catch parse errors instantly.

XML to JSON Converter

Convert XML to JSON and JSON to XML — attributes preserved, repeated elements as arrays.

JSON to CSV Converter

Convert JSON arrays of objects to CSV with auto-detected columns and nested-object handling.

CSV to JSON Converter

Convert CSV data to JSON arrays with custom delimiter support.

Cron Expression Generator

Build and parse cron expressions with a visual editor and next run times.

SQL Formatter & Beautifier

Format, beautify, and minify SQL queries with keyword uppercasing.

HTTP Status Codes

Searchable reference of every HTTP status code with clear descriptions.

Number Base Converter

Convert between binary, octal, decimal, and hexadecimal instantly.

Slug Generator

Turn titles into SEO-friendly URL slugs with accent stripping and stopword removal.

JSON Schema Generator

Infer a JSON Schema (Draft 2020-12) from any JSON sample with required-field detection.

MIME Type Lookup

Searchable table of file extensions and MIME types. Click to copy.

User Agent Parser

Parse browser, OS, device, and engine from any User-Agent string. Includes 8 examples.

curl to fetch Converter

Paste a curl command, get JavaScript fetch() code. Headers, JSON body, auth — all translated.

JSON to TypeScript

Generate TypeScript interfaces from any JSON sample with optional fields and union types.

Regex Explainer

Paste a regex and get a plain-English token-by-token breakdown.

Common Regex Patterns

Searchable library of email, URL, IP, phone, date, UUID, and more — copy-ready.