Инструменты для разработчиков
Бесплатные dev-утилиты для JSON, кодирования, форматирования и отладки.
JSON Formatter
Online tool for formatting, minifying, and browsing JSON structure.
JSON Minifier
Online tool for compressing JSON into a single line without extra whitespace.
JSON Validator
Online tool for checking JSON syntax with error line and column hints.
JWT Decoder
Online tool for viewing JWT header and payload without verifying the signature.
UUID Generator
Online UUID v4 generator via browser crypto API for databases, tests, APIs, and correlation IDs.
Unix Timestamp Converter
Online tool for converting Unix timestamp to date and back: seconds, milliseconds, UTC, local time, and ISO.
JSON Repair
Online tool for attempting to fix typical JSON errors: trailing commas, single quotes, comments, and unquoted keys.
YAML Formatter
Online tool for formatting YAML with indentation, syntax check, and clear error messages.
YAML Validator
Online tool for checking YAML syntax with error line and column hints.
YAML to JSON
Online tool for converting YAML to JSON for API, Postman, webhooks, and configs.
JSON to YAML
Online tool for converting JSON to YAML for Helm, Ansible, Kubernetes, configs, and dev tasks.
XML Formatter
Online tool for formatting XML with indentation for SOAP, RSS, sitemap, API responses, and configs.
XML to JSON
Online tool for converting XML to JSON for API, SOAP, RSS, sitemap, configs, and dev tasks.
JSON to XML
Online tool for converting JSON to XML with root tag, arrays, attributes, and indent settings.
XML Validator
Online tool for checking well-formed XML with error line and column hints.
SHA-256 Hash
Online tool for computing SHA-256 hash of text in hex, Base64, and Base64URL.
MD5 Hash
Online tool for computing MD5 hash of text in hex and Base64 for legacy systems and checksums.
SHA-1 Hash
Online tool for computing SHA-1 hash of text in hex and Base64 for legacy API and compatibility.
ULID Generator
Online ULID generator — time-sortable identifiers for logs, events, API, and distributed systems.
Nano ID Generator
Online generator of short URL-safe Nano IDs with configurable length, count, and alphabet.
Cron Expression Parser
Decode cron expressions, inspect each field, and preview upcoming run times without guessing the schedule.
Cron Expression Generator
Create a cron expression from presets and clear schedule settings without memorizing the order of cron fields.
Regex Tester
Online tool for testing regular expressions on text with flags, groups, and match highlighting.
ENV Formatter
Online tool for sorting, aligning, and validating .env variables in KEY=VALUE format.
HTML Formatter
Online tool for formatting HTML markup with indentation, line breaks, and minification.
CSS Formatter
Online tool for formatting CSS rules with indentation, line breaks, and minification.
JavaScript Formatter
Online tool for basic JavaScript formatting with indentation, line breaks, and minification.
SQL Formatter
Online tool for formatting SQL queries with keyword line breaks, indentation, and dialect settings.
Robots.txt Generator
Online robots.txt generator with User-agent, Allow, Disallow, and Sitemap for basic crawl settings.
Gitignore Generator
Online .gitignore generator with presets for Node.js, Next.js, Python, Django, Docker, IDE, OS, and env files.
Django Secret Key Generator
Generate SECRET_KEY for Django projects: compatible charset, length 50 by default, formats for .env and settings.py.
Htpasswd Generator
Online .htpasswd generator for Basic Auth in nginx/apache: username + password hash.
cURL Command Parser
Online tool for parsing curl commands into method, URL, headers, query params, body, and fetch code.
HTTP Status Codes
HTTP status codes reference with search by code, name, category, and typical API scenarios.
Escape JSON String
Online tool for escaping text into a JSON string and unescaping JSON strings back to plain text.
Unescape JSON String
Online tool for removing JSON escaping from a string fragment and restoring plain text.
CSV to JSON
Online CSV to JSON converter for object arrays or array of arrays with delimiter and header settings.
JSON to CSV
Online JSON to CSV converter for object arrays for Excel, Google Sheets, no-code, and data import.
Semver Parser
Online tool for parsing semver versions, prerelease, build metadata, and ranges from package.json.
Hex Encoder
Online tool for encoding UTF-8 text to hex bytes and decoding hex back to text.
Binary Encoder
Online tool for encoding UTF-8 text to binary bytes and decoding binary back to text.
UTM Link Parser
Online tool for parsing, validating, and building URLs with UTM tags.
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UtiLab включает инструменты для форматирования JSON и YAML, декодирования JWT, тестирования regex, генерации UUID, парсинга curl-команд и других повседневных задач разработчика. Большинство утилит работает локально в браузере.