First Difference in XML Text
Quickly compare two XML documents in your browser. Paste XML, validate, and see whether they match with a clear diff summary—free and f
DataOpen tool ↗THE FEUTEX TOOLKIT
Original specialist tools
Find the right tool for your task. Search by name or file format, save favorites and pick up where you left off.
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247 tools
YAML Formatter
Format YAML with consistent indentation and spacing, keep comments, and catch common indentation mistakes. Runs in your browser with co
DataOpen tool ↗Convert YAML to JSON Online
Convert your YAML files to JSON easily and quickly with our online converter. Fast, secure, and reliable.
DataOpen tool ↗Avro Formatter and Basic Structure Checker
Format and minify Avro schemas with optional key sorting and basic validation. Paste your schema JSON, pretty-print for readability, or
DataOpen tool ↗Markdown Formatter
Format Markdown instantly: fix heading spacing, normalize list bullets, trim trailing spaces, collapse blank lines, and standardize new
TextOpen tool ↗Online Markdown Table Generator
Paste CSV/TSV or upload a file to generate a clean Markdown table. Includes copy, download, drag-and-drop import, diagnostics, and larg
TextOpen tool ↗Online Kubernetes YAML Generator
Generate Kubernetes YAML configuration files effortlessly with our online tool. Perfect for developers looking to streamline their Kube
DeveloperOpen tool ↗Online JSON Generator from Schema
Generate example JSON from a JSON Schema directly in your browser. Supports objects, arrays, enums, defaults/examples, formats, and loc
DataOpen tool ↗Online UUID Generator (Version 5)
Generate deterministic UUIDv5 values from a namespace UUID and name (SHA-1). Supports presets (DNS/URL/OID/X.500), bulk input, validati
SecurityOpen tool ↗Online UUID Generator Version 7 (UUIDv7)
Generate RFC 4122 UUID version 7 (UUIDv7) in your browser. Bulk generate, choose dashed or compact format, optional uppercase, and copy
SecurityOpen tool ↗Online Hash Generator Bcrypt
Effortlessly generate bcrypt hashes with our secure online tool. Perfect for securely hashing passwords and sensitive data.
SecurityOpen tool ↗Online QR Code Generator
Create QR codes quickly and easily with our online generator. Perfect for URLs, text, and more.
ImagesOpen tool ↗Validate IBAN Checker
Validate an IBAN instantly: checksum (MOD 97), country length, normalized + formatted output, and clear error reasons. Works offline in
BusinessOpen tool ↗Amazon Profit Calculator Tool
Calculate Amazon profit per unit and total: referral fee %, FBA/fulfillment, storage, ads, COGS, inbound costs. Get net profit, margin,
BusinessOpen tool ↗Base64 Checker
Standard/URL-safe validation Required padding policy Ignore whitespace Decode and encode
EncodingOpen tool ↗Base64 Formatter Online
64/76/custom wrapping Standard/URL-safe conversion Padding policy Minify
EncodingOpen tool ↗Calculator Tool for LLM
Batch expressions Plain/JSON results Math functions LLM-ready copy
CalculatorsOpen tool ↗Calculator Tool for LangChain (Generator)
Python tool code TypeScript tool code Configurable function scaffolding
CalculatorsOpen tool ↗Calculator Tool
Scientific expression parser Keypad Previous answer Math functions
CalculatorsOpen tool ↗Calculator Tools (TRA): Total Return + Annualized Return
Start/end investment Days/years Total return Annualized return
CalculatorsOpen tool ↗Canonical Checker
Canonical extraction Page URL comparison Noindex check Tracking parameter warnings
TextOpen tool ↗Case Checker CS (C# Naming Case Checker)
Identifier style detection C# naming checks Camel/Pascal/constant conversion
TextOpen tool ↗Case Checker (CS:GO Config)
Config command parsing Exec filename casing .cfg extension Linux case-sensitivity warnings
TextOpen tool ↗Case Checker
Per-line case detection Trim toggle Ignore punctuation
TextOpen tool ↗Case Checkerboard (Alternating Case) Tool
Alternating case Word/line reset Start-case control Pattern check
TextOpen tool ↗Case Formatter Online
Ten casing styles Per-line processing Acronym preservation Identifier styles
TextOpen tool ↗Unicode Text and Invisible Character Cleaner
Invisible character cleanup NBSP/control handling Smart punctuation replacement Whitespace normalization
TextOpen tool ↗Convert Price Checker
Manual exchange rate Percent/fixed fees Tax add/remove Expected-price tolerance Rounding
TextOpen tool ↗Convert Town DPI Checker
Pixels to print size Required pixels Required DPI Batch and paper presets
TextOpen tool ↗Cron Checker (6 Fields)
Six-field parsing Next run enumeration Local timezone Names/ranges/steps
DeveloperOpen tool ↗Cron Checker (Java / Quartz)
Five/six/seven fields Quartz syntax validation DOM/DOW rules Java scheduler guidance
DeveloperOpen tool ↗Quartz Cron Formatter
Five to six-field conversion Quartz normalization Optional year
DeveloperOpen tool ↗Cron Formatter
Five/six/seven fields Normalization Field explanation Names and range diagnostics
DeveloperOpen tool ↗CSROI Checker
Annual program cost Savings Revenue uplift with margin Payback Net benefit
TextOpen tool ↗CSV Checker
Delimiter detection Header handling Ragged rows Strict quoting Trim/blank policies
DataOpen tool ↗CSV Duplicate Checker
Full-row/keyed duplicates Keep first/last Unique/duplicate output Trim/case comparison
DataOpen tool ↗CSV Formatter (C#)
CSV formatting Quote modes Custom delimiter C# code generation
DataOpen tool ↗CSV Formatter (Python)
CSV normalization Ragged-row padding Table preview Python code generation
DataOpen tool ↗CSV Formatter
Output delimiter Quoting policy LF/CRLF CSV download
DataOpen tool ↗CSV Tool (Windows-Friendly)
File input CSV normalize JSON/TSV conversion CRLF output
DataOpen tool ↗Diff Checker Online
Line/word/character diff Trim/case/blank controls Hide unchanged HTML report
TextOpen tool ↗PDF File Fingerprint and Pasted-Text Comparison
PDF byte comparison SHA256 First differing byte hex Manual text comparison
PDFOpen tool ↗Custom Fade Percentage Classifier
Parse supplied percentages Tier labels Range validation
CalculatorsOpen tool ↗Free CSV Compare Tool
Keyed or row-index matching Ignore order Trim/case options Difference report
DataOpen tool ↗Free CSV Playlist Import Tool
CSV field mapping M3U8 PLS JSON playlist XSPF Durations
DataOpen tool ↗Free CSV Tool
File loading Validate/clean Deduplicate Sort Select columns Download
DataOpen tool ↗Free Hash Tool
Text/file hashing MD5 and SHA family Hex/Base64 Whitespace options
SecurityOpen tool ↗Free Online Base64 Converter
UTF-8 encode/decode URL-safe alphabet Padding options Wrapping Whitespace policy
EncodingOpen tool ↗No matching tools.