Data & Config Tools: CSV, YAML, SQL & More
Free tools for CSV, YAML, TOML, OpenAPI, SQL, Mermaid, and data format conversion — browser-based.
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Tags: data config tools online, data format tools, config file converters
Data & Config Tools: CSV, YAML, SQL & More Every software project deals with structured data — CSV exports, YAML configs, SQL schemas, API specs. The right browser-based tool makes working with these formats fast and private, without installing software or uploading files to a server. Over 80% of enterprise applications use configuration management tools to handle deployment across multiple environments, according to a 2024 DevOps survey --- What Data Format Tools Do You Actually Need? The answer depends on your workflow, but there are six categories that come up repeatedly: Tabular data — CSV viewing, diffing, and conversion Configuration files — YAML, TOML, INI, Properties API specifications — OpenAPI/Swagger, GraphQL SDL Relational data — SQL formatting and optimization Diagrams as…
Frequently Asked Questions
What data format tools are available online?
Browser-based tools cover CSV viewing/diffing, YAML formatting, TOML conversion, OpenAPI validation, SQL formatting, and Mermaid diagram rendering. All run client-side so your data never leaves the browser.
How do I view CSV files?
Paste or upload a CSV file to a CSV viewer tool. It parses the delimiters automatically, renders the data as a sortable, searchable table, and shows column statistics like min, max, and unique values.
How do I format YAML?
A YAML formatter parses your input with a YAML parser and re-serializes it with consistent indentation, typically 2 spaces. It also reports syntax errors like missing colons or incorrect indentation.
How do I format SQL?
SQL formatters parse query tokens and apply dialect-specific keyword casing and indentation. Choose your dialect (MySQL, PostgreSQL, SQLite) and options like uppercase keywords before formatting.
How do I validate OpenAPI schemas?
Paste your OpenAPI 3.0 or 3.1 YAML/JSON spec into a validator. It checks required fields, correct `$ref` paths, valid HTTP methods, and schema compliance per the OpenAPI specification.
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