_>DevWorkBench/tools

Text & strings

Text Diff CheckerCompare two texts side by side with live highlighting.Regex TesterLive pattern matching with highlighted matches and groups.Case ConverterConvert text between camelCase, snake_case, kebab-case and more.URL Slug GeneratorTurn any title or phrase into a clean, SEO-friendly URL slug.Lorem Ipsum GeneratorGenerate placeholder text: words, sentences or paragraphs.Text StatisticsCount words, characters, lines, sentences and reading time.

Encoders & decoders

Base64 Encoder / DecoderEncode and decode Base64 text with full UTF-8 support.URL Encoder / DecoderEncode and decode URLs and query parameters cleanly.JWT DecoderDecode JWTs into header, payload and signature views.Hex ViewerInspect text bytes as an offset, hex, ASCII classic hexdump.HTML Entities Encoder / DecoderEncode or decode HTML entities (&, <, &) safely.

Formatters

JSON Formatter & ValidatorBeautify, minify, validate and explore JSON with a tree view.HTML FormatterBeautify messy HTML with clear indentation and tags.CSS MinifierMinify CSS: strip comments, whitespace and shorten colors.SQL FormatterBeautify SQL with configurable indentation and keywords.

Converters

CSV ⇄ JSONConvert CSV tables to JSON and back, with live preview.Timestamp ConverterConvert Unix timestamps, ISO dates and human dates both ways.Color Converter & Contrast CheckerConvert HEX, RGB, HSL and HSV with WCAG contrast ratios.CSS Unit ConverterConvert px ⇄ rem ⇄ em with a configurable root font size.YAML ⇄ JSONConvert between YAML and JSON with strict validation.CSV → SQL GeneratorTurn CSV data into CREATE TABLE and INSERT statements.

Generators

Hash GeneratorGenerate MD5, SHA-1, SHA-256 and SHA-512 hashes instantly.UUID GeneratorBulk generate RFC 4122 UUIDs (v4 & v7) in one click.Password GeneratorGenerate strong random passwords with an entropy estimate.HMAC GeneratorCompute HMAC-MD5, HMAC-SHA1, HMAC-SHA256, HMAC-SHA512.

Networking & cron

Cron Expression ParserExplain cron schedules like '*/5 * * * *' in plain English.IPv4 Subnet CalculatorCalculate networks, broadcast addresses and host counts for CIDR.

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Home ToolsGenerators

tools/category/generators

Generators tools

Create IDs, secrets, hashes and reusable strings on demand.

Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes instantly.

Open tool

UUID Generator

Bulk generate RFC 4122 UUIDs (v4 & v7) in one click.

Open tool

Password Generator

Generate strong random passwords with an entropy estimate.

Open tool

HMAC Generator

Compute HMAC-MD5, HMAC-SHA1, HMAC-SHA256, HMAC-SHA512.

Open tool

4 tools in this category · browse all 27 tools

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Fast, free developer utilities that run entirely in your browser. No accounts, no signups, no uploads — your data never leaves your device.

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Popular tools

JSON Formatter & Validator
Base64 Encoder / Decoder
Hash Generator
Regex Tester
UUID Generator
Text Diff Checker
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Resources

HTTP Status Codes
ASCII Table
Regex Cheatsheet
Markdown Cheatsheet
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Home ToolsGenerators

tools/category/generators

Generators tools

Create IDs, secrets, hashes and reusable strings on demand.

Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes instantly.

Open tool

UUID Generator

Bulk generate RFC 4122 UUIDs (v4 & v7) in one click.

Open tool

Password Generator

Generate strong random passwords with an entropy estimate.

Open tool

HMAC Generator

Compute HMAC-MD5, HMAC-SHA1, HMAC-SHA256, HMAC-SHA512.

Open tool

4 tools in this category · browse all 27 tools