Tool Directory
All Tools
Browse the full NDDAPP toolbox by category and jump straight into the utility you need.
81+
Tools currently available
6
Categories to explore
Search
Use Cmd/Ctrl + K to jump to any tool fast
No setup
Open a tool and work directly in the browser
Browse by Category
Each category collects tools that solve a similar kind of task.
Builders
Tools for building structured links, metadata, and web config
URL Parser & Query Builder
UTM URL Builder
New
Mailto Link Builder
New
Robots.txt Builder
New
Open Graph Meta Tags Builder
New
HTTP Headers Builder
New
+ 4 more tools in this category
Common Tools
Common Tools
String Utilities
String Transform
Regex Tester
Text Diff / Compare
New
Line Tools
New
Markdown Live Preview
+ 4 more tools in this category
Converters
A Collection of Free Online Tools to Convert Data Between Different Formats
DateTime Converter
ObjectId to Timestamp
ObjectId Parser
JSON <-> YAML Converter
New
CSV <-> JSON Converter
New
Cron Parser
New
+ 18 more tools in this category
Encoders & Decoders
A Collection of Free Online Tools to Encode and Decode Data
Base64 Encoder / Decoder
HTML Entity Encoder / Decoder
JSON String Encoder / Decoder
JWT Decoder / Inspector
URL Encoder / Decoder
Unicode Escape / Unescape
New
+ 4 more tools in this category
Formatters
Tools for formatting and validating structured documents
JSON Formatter / Minifier
YAML Formatter / Validator
HTML Formatter / Minifier
New
XML Formatter / Validator
New
CSS Formatter / Minifier
New
SQL Formatter
New
+ 4 more tools in this category
Generators
A Collection of Free Online Tools to Generate Various Types of Data
ObjectId Generator
Snowflake Id Generator
Slug Generator
Password Generator
UUID Generator
ULID Generator
+ 11 more tools in this category