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CODINGVILA COLLECTION

Developer tools

Debug, test, format, and generate values used in everyday development.

89 focused tools276 dedicated converters

EXPLORE BY PURPOSE

Choose a developer workflow

Open a complete collection, or jump directly to one of its recommended tools.

39 toolsCode formatting

Apply syntax-aware formatting to code, markup, queries, schemas, shell scripts, and documentation.

4 toolsCode minification

Remove insignificant source whitespace while preserving supported syntax.

6 toolsValidation & syntax checks

Check identifiers, addresses, expressions, markup, and schedules.

15 toolsDebugging & diagnostics

Compare, inspect, explain, and normalize developer-facing values.

11 toolsAPI & HTTP development

Build HTTP requests, headers, policies, and web configuration.

5 toolsIDs & test data

Generate and validate identifiers and test values used by applications.

9 toolsGit workflows

Prepare commands, ignore rules, branches, versions, and changelogs.

ALL UTILITIES

Browse every developer tool

Open a utility below, or search the complete catalog by task, action, or format.

Regex Testertest a JavaScript regular expression against text.

SQL Formatter & Beautifierformat common SQL statements for easier review without executing them.

UUID Generatorgenerate cryptographically random UUID v4 values.

UUID Validatorvalidate UUID structure and report its encoded version.

URL Validatorvalidate an absolute HTTP or HTTPS URL and normalize its representation.

Python Beautifierformat Python source into a consistent, readable layout without compiling or executing it.

C# Beautifierformat C# source into a consistent, readable layout without compiling or executing it.

PHP Beautifierformat PHP source into a consistent, readable layout without compiling or executing it.

Go Beautifierformat Go source into a consistent, readable layout without compiling or executing it.

Ruby Beautifierformat Ruby source into a consistent, readable layout without compiling or executing it.

Swift Beautifierformat Swift source into a consistent, readable layout without compiling or executing it.

Kotlin Beautifierformat Kotlin source into a consistent, readable layout without compiling or executing it.

Rust Beautifierformat Rust source into a consistent, readable layout without compiling or executing it.

Objective-C Beautifierformat Objective-C source into a consistent, readable layout without compiling or executing it.

Perl Beautifierformat Perl source into a consistent, readable layout without compiling or executing it.

Scala Beautifierformat Scala source into a consistent, readable layout without compiling or executing it.

SCSS Beautifierformat SCSS source into a consistent, readable layout without compiling or executing it.

SASS Beautifierformat Sass source into a consistent, readable layout without compiling or executing it.

LESS Beautifierformat LESS source into a consistent, readable layout without compiling or executing it.

JSX Beautifierformat JSX source into a consistent, readable layout without compiling or executing it.

Vue SFC Beautifierformat Vue Single-File Component source into a consistent, readable layout without compiling or executing it.

Svelte Beautifierformat Svelte source into a consistent, readable layout without compiling or executing it.

Protobuf (.proto) Beautifierformat Protocol Buffers schema source into a consistent, readable layout without compiling or executing it.

SPARQL Beautifierformat SPARQL source into a consistent, readable layout without compiling or executing it.

MongoDB Query Beautifierformat MongoDB query source into a consistent, readable layout without compiling or executing it.

PL/SQL Beautifierformat PL/SQL source into a consistent, readable layout without compiling or executing it.

Bash / Shell Script Beautifierformat Bash shell source into a consistent, readable layout without compiling or executing it.

PowerShell Beautifierformat PowerShell source into a consistent, readable layout without compiling or executing it.

Batch (.bat) Beautifierformat Windows Batch source into a consistent, readable layout without compiling or executing it.

Dockerfile Beautifierformat Dockerfile source into a consistent, readable layout without compiling or executing it.

Makefile Beautifierformat Makefile source into a consistent, readable layout without compiling or executing it.

LaTeX Beautifierformat LaTeX source into a consistent, readable layout without compiling or executing it.

reStructuredText Beautifierformat reStructuredText source into a consistent, readable layout without compiling or executing it.

AsciiDoc Beautifierformat AsciiDoc source into a consistent, readable layout without compiling or executing it.

Cron Expression Beautifiervalidate a standard five-field cron expression and label each field for readable review.

Regex Beautifiervalidate a JavaScript-compatible regular expression and produce a readable, non-executable structural view.

.htaccess Beautifierformat Apache .htaccess source into a consistent, readable layout without compiling or executing it.

Nginx Config Beautifierformat Nginx configuration source into a consistent, readable layout without compiling or executing it.

CSS Formatterformat CSS rules with consistent indentation and declarations.

JavaScript Formatternormalize indentation around JavaScript blocks without executing code.

TypeScript Formatternormalize indentation around TypeScript blocks without compiling code.

GraphQL Formatterformat GraphQL operations and selection sets for review.

Markdown Formatternormalize Markdown spacing, headings, lists, and trailing whitespace.

Java Formatternormalize indentation around Java blocks without compiling source.

C / C++ Formatternormalize indentation around C and C++ blocks without compiling source.

CSS Minifierremove CSS block comments and insignificant whitespace while preserving quoted string content.

JavaScript Whitespace Minifierremove JavaScript comments and conservative whitespace without executing or renaming source code.

SVG Minifierremove comments and inter-element whitespace from valid SVG markup.

SQL Minifiercollapse SQL whitespace outside quoted values without executing statements.

Regular Expression Validatorcompile a JavaScript regular expression and report supported flags.

Email Address Validatorvalidate common mailbox and domain syntax without claiming deliverability.

IP Address Validatorvalidate canonical IPv4 or IPv6 address structure.

JWT Structure Validatorvalidate the three-part JWT envelope and decode JSON sections without verifying trust.

Cron Expression Validatorvalidate a standard five-field cron expression and its numeric ranges.

Text Diff Checkercompare two text blocks line by line and report additions, removals, and unchanged lines.

Regex Builderbuild an escaped regular expression from literal text and match preferences.

Regex Explanation Toolexplain common regular-expression tokens in plain language.

Cron Expression Testershow the next matching minute values for a five-field cron schedule.

Cron Expression Generatorgenerate a five-field cron expression from a common schedule preset.

User-Agent Parseridentify common browser, engine, operating-system, and device hints.

HTTP Header Parserparse HTTP header lines into normalized names and values.

Cookie Parserparse a Cookie request header into decoded name-value pairs.

Stack Trace Formatternormalize stack-trace indentation and separate exception headers from frames.

Error Log Formatterbeautify JSON Lines and group timestamped structured log entries into a readable diagnostic report.

API Response Formatterformat a JSON API response and summarize status-like fields.

HTTP Request Builderbuild an HTTP request preview from method, URL, headers, and body.

cURL Generatorgenerate a reviewable cURL command from an HTTP request description.

cURL to Fetchtranslate a supported cURL command into browser Fetch API code.

cURL to Axiostranslate a supported cURL command into Axios request code.

HTTP Status Code Lookuplook up standard meaning and category for a common HTTP status code.

HTTP Method Referencesummarize safety, idempotency, and typical use for an HTTP method.

Content-Type Generatorgenerate a Content-Type header for a common media type and optional charset.

Cache-Control Generatorbuild a Cache-Control policy from explicit caching behavior.

CORS Header Generatorgenerate a conservative CORS response-header set for an explicit origin.

Content Security Policy Generatorgenerate a restrictive baseline Content-Security-Policy header.

OpenAPI Formattervalidate and format an OpenAPI JSON document for review.

UUID v7 Generatorgenerate time-ordered RFC 9562 UUID version 7 identifiers.

NanoID Generatorgenerate URL-friendly secure NanoID-style identifiers.

API Key Generatorgenerate a prefixed, cryptographically secure API key for development.

Advanced Git Command Generatorbuild reviewable Git commands for repository, branch, remote, commit, tag, stash, rebase, worktree, and submodule workflows.

Advanced .gitignore Generatorgenerate a documented .gitignore for modern language, framework, editor, operating-system, build, log, and local-secret artifacts.

.gitignore Rule Analyzeranalyze .gitignore rules by section, negation, directory scope, wildcard usage, duplication, and potentially risky patterns.

Git Diff Formatternormalize a unified Git diff and summarize changed files, hunks, additions, and removals without altering patch content.

Conventional Commit Message Buildergenerate a Conventional Commit subject, optional body, issue reference, and breaking-change footer.

Git Branch Name Generatorcreate a safe, readable Git branch name from a work-item description, workflow prefix, and optional ticket identifier.

Semantic Version Generatorincrement a stable semantic version and optionally create an alpha, beta, or release-candidate prerelease.

Semantic Version Validatorvalidate a Semantic Versioning 2.0.0 value and identify prerelease metadata.

Conventional Commit Changelog Buildergroup Conventional Commit lines into a versioned Markdown changelog with added, fixed, performance, security, documentation, and maintenance sections.

Code Comparison and Diffcompare two source files or code versions in synchronized editors with line-level changes, navigation, search, and patch export.

DEDICATED CONVERTER PAGES

Browse every compatible route

Each conversion below has its own working page, guide, validation, FAQs, and related routes.

Universal converter

MAMagic / Auto detect converters12 dedicated pages

HTHTML Table converters12 dedicated pages

CSCSV converters12 dedicated pages

TSTSV converters12 dedicated pages

EXExcel / XLSX converters12 dedicated pages

JSJSON converters12 dedicated pages

JSJSON Array converters12 dedicated pages

JSJSONLines / NDJSON converters12 dedicated pages

XMXML converters12 dedicated pages

YAYAML converters12 dedicated pages

TOTOML converters12 dedicated pages

ININI converters12 dedicated pages

RDRDF / Turtle converters12 dedicated pages

SQSQL INSERT converters12 dedicated pages

MYMySQL Query Results converters12 dedicated pages

MAMarkdown Table converters12 dedicated pages

LALaTeX Table converters12 dedicated pages

MEMediaWiki Table converters12 dedicated pages

ASASCII Table converters12 dedicated pages

HTHTML converters12 dedicated pages

MAMarkdown converters12 dedicated pages

LALaTeX converters12 dedicated pages

MEMediaWiki converters12 dedicated pages

Private developer tools for everyday work

Debug, test, format, and generate values used in everyday development. Each page explains supported input and produces a real result without a server queue.

Why browser-based processing matters

Local processing reduces delay and avoids sending working data to a conversion service. Your browser and device still set practical memory limits, so review large results before production use.