Featured Developer Tools
Essential utilities trusted by thousands of developers daily.
ER Diagram Generator
Transform database schemas into beautiful, interactive Entity Relationship Diagrams.
AI Prompt Generator
Craft perfect prompts for ChatGPT, Claude, and other LLMs with built-in templates.
JSON to Code
Convert JSON into TypeScript interfaces, Go structs, Python classes, and more.
How LangStop Works
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Process and export with one click.
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AI Prompt Generator
Create dynamic and reusable AI prompts with ease.
Regex Tester
Test and debug regular expressions instantly with live match highlighting and flag support.
JSON to Code Generator
Convert JSON into clean, strongly-typed code in multiple programming languages. Generate models, classes, and structs instantly from JSON.
XML to Code Generator
Convert XML into clean, strongly-typed code across multiple languages. Supports attributes, namespaces, and complex XML schemas.
YAML to Code Generator
Convert YAML into clean, strongly-typed code for multiple languages. Supports nested schemas, anchors, and configuration files.
JSON Formatter
Make your JSON sparkle with clean, readable formatting.
JSON Diff
Spot the difference — fast, clean, JSON
JSON Minifier
Crush JSON size—minify for speed and performance.
JSON Fix
AutoCorrect Malformed JSON
JSON To XML
Transform your JSON into well-structured XML instantly.
JSON To YAML
Switch your JSON to human-friendly YAML on the fly.
String To JSON
Convert plain text strings into valid JSON instantly.
JSON Validator
Spot errors fast—verify your JSON with precision.
SchemaCode ER Diagram Generator
Generate and visualize ER diagrams from SQL schemas using SchemaCode.
XML Formatter
Tidy up your tangled XML—clean and clear structure.
XML Validator
Spot errors fast—verify your JSON with precision.
XML Minifier
Crush XML size—minify for speed and performance.
XML To JSON
Convert complex XML to friendly JSON in seconds.
XML To YAML
Make your XML speak YAML fluently.
YAML Formatter
Polish your YAML for clarity and elegance.
YAML To JSON
Convert readable YAML into structured JSON effortlessly.
YAML To XML
Unleash XML from your YAML data structures.
YAML Validator
Validate YAML like a pro—find and fix mistakes instantly.
Base 64 Encoder
Lock it down—encode any text into base64.
Base 64 Decoder
Unlock secrets—decode base64 to plain text.
Base 64 Converter
Switch between base64 and other formats with ease.
Base 64 to Image
Generate and download images from base64 text
Timestamp Converter
Timestamp Converter: Effortlessly convert UNIX time to human-readable format and back.
Cron Helper
Cron Helper: Build, validate, and understand crontab expressions visually with live previews and next-run insights.
Age Calculator
Age Calculator: Quickly calculate your age in years, months, and days from your date of birth.
JWT Encoder
JWT creation made simple — sign, encode, go
JWT Decoder
Decode JWTs safely — fast, clean, and offline
UUID v1 Generator
Generate UUID v1: time-based unique identifiers for distributed systems.
UUID v3 Generator
Generate UUID v3: name-based UUIDs using MD5 hashing.
UUID v4 Generator
Generate UUID v4: random UUIDs for general-purpose unique IDs.
UUID v5 Generator
Generate UUID v5: name-based UUIDs using SHA-1 hashing.
UUID v7 Generator
Generate UUID v7: time-ordered, sortable UUIDs ideal for databases.
GUID Generator
Generate GUIDs: Microsoft-style UUIDs compatible across platforms.
ULID Generator
Generate ULIDs: lexicographically sortable unique IDs for modern apps.
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