Use the fixed sidebar for categories, keep search in reach at the top, and let the main canvas handle the scrolling.
Beautify raw JSON with customizable indentation and fast client-side parsing.
Validate JSON, inspect parser errors, and surface likely line and column issues.
Strip whitespace and reduce payload size for transport, snapshots, or embeds.
Explore nested JSON visually with collapsible nodes and readable structure.
Beautify XML with consistent indentation and browser-side parsing.
Validate XML syntax, inspect line and column errors, and preview parsed output.
Strip extra whitespace from XML payloads for transport or embeds.
Inspect XML documents as a structured object tree with attribute visibility.
Convert XML into JSON for API tooling, debugging, or transformation work.
Turn JSON payloads into XML with configurable root wrapping.
Convert XML into YAML for configuration and structured data workflows.
Transform YAML configuration into XML with client-side conversion.
Normalize YAML formatting and spacing for readable configuration files.
Validate YAML syntax and inspect the parsed data structure immediately.
Inspect YAML as structured data to verify nesting and arrays quickly.
Convert YAML files into JSON for APIs, tooling, and application config.
Turn JSON payloads into YAML for configuration or human-friendly editing.
Build XML documents interactively from JSON data with configurable root tags and indentation.
Encode and decode Base64 safely with Unicode support for browser-side workflows.
Convert text to URL-safe encoding and reverse it instantly for query handling.
Decode header and payload, inspect claims, and flag expiration timing at a glance.
Convert Unix seconds or milliseconds to readable dates and back without a backend.
Compare two text blocks, highlight additions and removals, and inspect summary stats.
Generate MD5, SHA1, SHA256, and SHA512 digests entirely in the browser.
Create UUIDs, passwords, strings, and number sets with quick browser-native entropy.
Convert HEX, RGB, and HSL with instant color preview for UI and design work.
Generate words, sentences, or paragraphs for layout prototypes and placeholders.
Switch text between uppercase, lowercase, camelCase, snake_case, and kebab-case.
Test expressions against sample text, inspect matches, and debug flags in-browser.
Escape unsafe markup or unescape HTML entities for templates, docs, or snippets.
Upload or paste CSV and transform rows into JSON arrays with instant preview.
Convert JSON arrays into CSV output ready for spreadsheets and exports.
Paste API responses, inspect structure, and surface payload metrics visually.
Analyze password quality with a transparent scoring model and live feedback.
Generate clean URL slugs from titles or copy with configurable separators.
Break down URLs into origin, path, query parameters, hash, and segments.
Generate Authorization headers and curl snippets from username and password.
Generate downloadable QR codes for URLs, text, and quick sharing workflows.
Build URLs and query strings interactively for API calls, redirects, and links.
Write markdown, preview the rendered output, and inspect generated HTML.
Convert HTML snippets into clean markdown for docs and content workflows.
Explain cron schedules in plain English and validate expression structure.
Calculate network, broadcast, host range, and mask details from a CIDR block.
Pretty-print SQL queries with configurable dialect and keyword casing.
Create HMAC digests in hex and Base64 using SHA and MD5 variants.
Generate exportable RSA public and private keys directly in the browser.
Parse browser, engine, OS, CPU, and device information from user-agent strings.
Generate bcrypt hashes, compare passwords, and inspect truncation and cost-factor details.
Inspect IPv6 compression, expansion, CIDR network bounds, and reverse-DNS pointers.
Create HMAC JWTs, verify signatures with a secret, and inspect decoded claims.
Decode PEM certificates, inspect subject and issuer data, and compute fingerprints locally.
Inspect PKCS#10 certificate signing requests, verify signatures, and review requested extensions.
Inspect PEM bundles, reorder certificates from leaf to root, and review chain completeness.
Validate UUIDs, inspect byte layout, detect version and variant, and extract embedded timestamps.
Convert integers across binary, octal, decimal, hexadecimal, base32, and base36 representations.
Validate ULIDs, decode embedded timestamps, and inspect the randomness payload.
Compare semantic versions, inspect prereleases, test ranges, and preview next increments.
Convert PEM blocks into DER base64 or hex, and rebuild normalized PEM from raw binary encodings.
Search HTTP status codes and phrases with quick category and meaning lookup.
Parse Docker image references into registry, namespace, repository, tag, and digest parts.
Assemble cron expressions visually, apply common presets, and preview the plain-English schedule.
Generate copy-ready DNS zone lines for A, AAAA, CNAME, MX, TXT, and SRV records.
Generate cURL, fetch, and Axios request snippets from one set of method, URL, headers, and body inputs.
Generate Kubernetes Deployment, Service, and ConfigMap YAML templates directly in the browser.
Generate OpenAPI path-item YAML with request and response examples for common API operations.
Parse .env files into JSON and YAML for configuration review, debugging, and quick conversion.
Parse raw HTTP headers into structured JSON and surface duplicate header names clearly.
Encode text into data URLs or decode existing data: URIs to inspect payloads and metadata.
Calculate octal and symbolic Unix file permissions, including setuid, setgid, and sticky bits.
Generate Content-Security-Policy headers and meta tags from common directive inputs.
Generate robots.txt rules with allow and disallow paths, sitemap references, and crawl delay settings.
Generate sitemap.xml files from paths or URLs with change frequency, priority, and lastmod metadata.
Build Access-Control-* response headers for browser APIs, preflight requests, and reverse proxy configs.
Generate reverse-proxy location blocks for Nginx with upstream, WebSocket, timeout, and body-size settings.
Build Cache-Control headers with max-age, immutable, stale-while-revalidate, and related directives.
Generate .gitignore files from common project presets and custom ignore rules.
Build .editorconfig files for consistent indentation, line endings, and editor behavior.
Generate .npmrc files for scoped registries, auth tokens, and npm install behavior.
Generate Docker Compose YAML for app services, ports, environment variables, volumes, and Postgres dependencies.
Generate package.json scripts for Next.js, Vite, Node APIs, and TypeScript libraries.
Beautify TOML files with normalized spacing, tables, and array formatting.
Validate TOML syntax, inspect parser errors, and preview the parsed configuration object.
Inspect TOML documents as structured data to verify nested tables and arrays quickly.
Convert TOML configuration files into JSON for APIs, tooling, and debugging workflows.
Turn JSON objects into TOML for configuration files and developer tooling.
Beautify INI files with normalized spacing, sections, and repeated key formatting.
Validate INI syntax, inspect line issues, and preview the parsed configuration object.
Inspect INI documents as structured data to verify sections, arrays, and key layouts quickly.
Convert INI configuration files into JSON for tooling, APIs, and debugging workflows.
Turn JSON objects into INI format for legacy apps, config files, and local tooling.
Inspect character, word, line, paragraph, byte, and reading-time counts for any text block.
Convert plain text into UTF-8 binary byte groups for low-level debugging and encoding workflows.
Convert text into Unicode code points, JavaScript escapes, or HTML hex entities.
Convert letters and digits into NATO phonetic alphabet tokens for voice, support, and ops workflows.
Generate configurable random tokens with uppercase, lowercase, numbers, symbols, and JSON output.
Normalize email addresses, fold Gmail aliases, and inspect canonical identity fields.
Inspect browser, screen, connection, locale, and runtime details from the current device.
Convert common docker run commands into Compose YAML for faster service setup.
Generate scan-ready WiFi QR codes and payload strings for WPA, WEP, or open networks.
Generate lightweight SVG placeholder graphics and data URLs for mocks, skeletons, and handoff.
Convert markdown into raw HTML with browser-side parsing and instant copy-ready output.
Convert IPv4 addresses between dotted decimal, integer, hexadecimal, and binary forms.
Look up common MIME types by file extension or find matching extensions from MIME strings.
Convert lists between newline, comma, pipe, tab, and JSON array formats with cleanup options.
Inspect browser keyboard event fields including key, code, keyCode, location, and modifiers.
Convert long words into numeronym form such as i18n and l10n with configurable thresholds.
Calculate percentages, ratios, and percent changes for quick pricing, metrics, and comparison work.
Convert temperatures between Celsius, Fahrenheit, Kelvin, and Rankine instantly.
Convert integers to Roman numerals and validate Roman numeral input back to integers.
Extract the real destination from wrapped redirect links such as Outlook safe links and similar redirectors.
Expand IPv4 start-end ranges or small CIDR blocks into full address lists for review and ops work.
Evaluate math expressions with operators, parentheses, constants, and common helper functions in the browser.
Generate random TCP or UDP-style port numbers inside a chosen range with optional uniqueness.
Generate sortable ULIDs from the current time or a custom timestamp and inspect them instantly.
Convert TOML configuration files into readable YAML for cross-format workflow handoffs.
Convert YAML into TOML for configuration files, package tooling, and developer setup flows.
Beautify HTML snippets into readable, indented markup for templates, embeds, and docs.
Check HTML tag structure, catch mismatched closing tags, and find unclosed markup quickly.
Preview raw HTML in an isolated frame while keeping the source visible beside it.
Strip extra whitespace from HTML while preserving the browser-parsed markup structure.
Compare two JSON payloads, normalize object keys, and inspect added, removed, or changed paths.
Recursively sort JSON object keys so payloads stay stable for review, commits, and diffs.
Convert JSON arrays or objects into tab-separated rows for spreadsheets and copy-paste exports.
Convert JSON into an escaped string literal for code, configs, fixtures, and embedded payloads.
Flatten XML records into CSV rows for spreadsheets, exports, and tabular review.
Convert CSV rows into XML with configurable root and row tags for feeds and imports.