Data & Developer Tools Directory
Explore free, browser-based utilities for data engineering, developer debugging, and healthcare interoperability. All tools process data locally in your browser.
Data Tools
CSV Viewer
Open and inspect CSV files directly in your browser. Features automatic column detection and dynamic grid generation.
TSV Viewer
Open and inspect TSV (tab-delimited) files directly in your browser. View data as a structured table.
Delimited File Viewer
Open and inspect pipe-delimited (|) and custom-delimited files directly in your browser.
Developer Tools
JSON Viewer
Format, validate, minify, and inspect complex JSON payloads with collapsible tree views.
XML Viewer
Format, validate, minifying, search, and inspect XML documents with collapsible tree views.
YAML Formatter
Format, validate, search, inspect, and convert YAML documents directly in your browser.
SQL Formatter
Format, beautify, minify, search, and inspect SQL queries with dialect-aware options and structure warnings.
HTTP Request Inspector
Inspect raw HTTP requests with parsed methods, URLs, headers, query parameters, cookies, and bodies.
Regex Builder & Tester
Build and test regular expressions with guided controls, live match highlighting, test cases, and syntax explanations.
API Payload Validator
Validate JSON request and response payloads against OpenAPI schemas with field-level error reporting.
Healthcare Interoperability Tools
HL7 Parser Online
Parse HL7 v2 messages online and visualize segments, fields, and components in a structured tree viewer.
CCDA Viewer
Open and inspect complex CCDA XML clinical documents with structured section rendering for allergies, meds, and vitals.
FHIR Validator
Validate FHIR R4 JSON resources against official FHIR schemas directly in your browser.
Directory FAQ
Are all Efneze tools free to use?
Yes. All web utilities listed in this directory are 100% free to use directly in your browser with zero registration or installation required.
Is my data safe when using these tools?
Yes. All file inspection, formatting, and validation tools execute locally in your web browser. Your data is never uploaded to any remote server.
What file formats are supported?
Efneze supports a wide range of data engineering and developer formats including CSV, TSV, pipe-delimited files, JSON, XML, YAML, SQL queries, raw HTTP requests, regular expressions, OpenAPI payload schemas, HL7 v2 messages, C-CDA clinical documents, and FHIR R4 resources.
Can I use these tools offline?
Once loaded in your browser, most utilities can execute offline since parsing and formatting logic runs entirely on your local device.