Regex Tester
Test regular expressions in real time with match highlighting and capture groups.
Open Tool โJWT Decoder
Decode and inspect JSON Web Tokens โ header, payload, expiry check.
Open Tool โBase64 Encoder / Decoder
Encode or decode Base64, URL encoding, and HTML entities.
Open Tool โHTML to Markdown Converter
Convert HTML snippets into clean Markdown for docs, README files, and CMS migrations.
Open Tool โJavaScript Minifier
Compress JavaScript with Terser, optional mangling, console removal, and size savings.
Open Tool โHTTP Request Builder
Build HTTP requests and generate cURL / fetch() code instantly.
Open Tool โAPI Response Formatter
Paste JSON or XML and get syntax-highlighted, formatted output.
Open Tool โcURL โ Code Converter
Convert cURL commands to Python, JavaScript, PHP, or Go.
Open Tool โSQL Query Formatter
Format and beautify SQL with syntax highlighting and minify.
Open Tool โLog File Analyzer
Paste logs to count by level, filter, and highlight errors.
Open Tool โLog File Formatter & Cleaner
Upload or paste logs and convert them to structured JSON, CSV, or table output.
Open Tool โJSON Diff Tool
Compare two JSON objects visually and highlight added, removed, or changed values.
Open Tool โCron Expression Generator
Convert between cron expressions and human-readable schedules.
Open Tool โTimestamp Converter
Convert Unix seconds or milliseconds to readable dates and back again.
Open Tool โAPI Latency Tester
Probe endpoint response times with repeated browser fetch checks.
Open Tool โYAML to JSON Converter
Convert simple YAML configs to JSON, or JSON back to YAML.
Open Tool โURL Parser & Query Builder
Break URLs into components, edit query parameters, and rebuild links.
Open Tool โHTTP Status Code Lookup
Search common HTTP response codes and what they mean.
Open Tool โ.env Parser & Validator
Clean environment files, spot duplicates, and export JSON.
Open Tool โMarkdown Previewer
Write Markdown and preview rendered HTML instantly.
Open Tool โUUID Validator
Validate UUIDs and detect version and variant.
Open Tool โJSON Schema Starter
Generate a basic JSON Schema from a sample object.
Open Tool โCSS Clamp Calculator
Create fluid CSS clamp() values from min/max sizes.
Open Tool โDocker Run Builder
Build a docker run command from common options.
Open Tool โHTML Minifier
Remove comments and extra whitespace from HTML.
Open Tool โCSS Minifier
Compress CSS by removing comments and unnecessary spaces.
Open Tool โJS Object to JSON
Convert common JavaScript object literal syntax to strict JSON.
Open Tool โRegex Escape Tool
Escape text so it can be safely used in a regular expression.
Open Tool โMIME Type Lookup
Find common MIME types from file extensions.
Open Tool โHTTP Header Parser
Paste raw HTTP headers and convert them to JSON.
Open Tool โGitHub Repo Analyzer
Inspect public repository stars, forks, issues, license, and freshness.
Open Tool โGitHub User Analyzer
Analyze public GitHub profile activity and account age signals.
Open Tool โnpm Package Lookup
Inspect npm package version, license, maintainers, keywords, and publish date.
Open Tool โPyPI Package Lookup
Inspect Python package metadata, latest version, license, and classifiers.
Open Tool โCDNJS Library Finder
Search CDNJS libraries and copy the latest CDN URL.
Open Tool โStack Overflow Question Search
Search Stack Overflow questions by relevance, answers, and score.
Open Tool โGitHub Repository Search
Search public repos and compare stars, forks, language, and freshness.
Open Tool โGitHub Issue Search
Search public GitHub issues across repos or within a repo query.
Open Tool โnpm Download Stats Lookup
Check last-week download volume for any npm package.
Open Tool โPackagist Package Lookup
Inspect Composer package versions, requirements, license, and release dates.
Open Tool โGitLab Project Search
Search public GitLab projects and compare stars, forks, and activity.
Open Tool โDocker Hub Image Search
Search public Docker Hub images and compare pulls, stars, and descriptions.
Open Tool โMaven Artifact Search
Search Maven Central artifacts by group, artifact, or keyword.
Open Tool โHomebrew Formula Lookup
Inspect formula versions, license, dependencies, analytics, and homepage.
Open Tool โCrates.io Package Lookup
Inspect Rust crate downloads, latest version, license, and repository.
Open Tool โRubyGems Package Lookup
Inspect gem version, downloads, licenses, dependencies, and authors.
Open Tool โWordPress Plugin Lookup
Search plugin metadata, ratings, active installs, and versions.
Open Tool โWordPress Theme Lookup
Search themes and compare ratings, versions, authors, and previews.
Open Tool โjsDelivr Package Stats
Inspect jsDelivr npm package metadata and CDN versions.
Open Tool โDeno Package Search
Search Deno packages and modules by keyword.
Open Tool โOpenGraph Image Generator
Design and download a 1200ร630 OG image for social sharing previews โ no design tools needed.
Open Tool โrobots.txt Builder
Build a robots.txt file with bot rules, crawl delays, and sitemap URL using a visual editor.
Open Tool โStatus Banner Widget
Generate a dismissible top/bottom site banner with message, CTA, and color โ embed via one script tag.
Open Tool โCookie Consent Widget
Build a GDPR-friendly cookie consent popup with accept/decline and privacy link โ embed via one script tag.
Open Tool โFeedback Widget
Add a floating feedback button with star rating and form to any site โ embed via one script tag.
Open Tool โChangelog Widget
Add a "What's New" changelog popup with version entries and unread badge โ embed via one script tag.
Open Tool โCSS Gradient Generator
Visual linear, radial, and conic gradient builder with copy-paste CSS output.
Open Tool โCSS Box Shadow Generator
Multi-layer shadow builder with live preview. Copy CSS output instantly.
Open Tool โWCAG Contrast Checker
AA/AAA pass-fail for foreground/background color pairs. WCAG 2.1 compliant.
Open Tool โJSON โ CSV Converter
Bidirectional converter with nested object flattening and file download.
Open Tool โYAML โ JSON Converter
Convert YAML to JSON and back. Perfect for Kubernetes, Docker Compose, and API specs.
Open Tool โCron Expression Builder
Visual cron syntax builder with next 5 run times preview in plain English.
Open Tool โCron Syntax Reference
Complete cron field guide with 20 ready-to-use patterns and a live tester.
Open Tool โHTTP Status Code Lookup
Searchable 1xxโ5xx reference with plain-English explanations and developer tips.
Open Tool โUser-Agent Parser
Detect browser, OS, device type, and rendering engine from any UA string.
Open Tool โText Diff / Compare
Side-by-side colored diff of two texts โ additions in green, deletions in red.
Open Tool โURL Encoder / Decoder
encodeURIComponent, encodeURI, and batch-mode URL encoding with component breakdown.
Open Tool โHTML Entity Encoder / Decoder
Encode special characters as HTML entities or decode entities back to readable text.
Open Tool โCIDR Subnet Calculator
Full subnet breakdown: network, broadcast, usable range, host count, and IP class.
Open Tool โMock Data Generator
Generate realistic test data with names, emails, phones, addresses, and Luhn-valid credit cards.
Open Tool โCSS Grid Generator
Build CSS grid layouts visually with column/row templates, gap sliders, and live preview.
Open Tool โCSS Flexbox Playground
Toggle all flex container properties and see the live layout change instantly.
Open Tool โCubic Bรฉzier Editor
Drag control handles to design CSS easing curves with animated preview and named presets.
Open Tool โBarcode Generator
Generate CODE128, EAN-13, UPC-A, CODE39, and ITF-14 barcodes. Download as SVG or PNG.
Open Tool โColor Blindness Simulator
Upload an image and preview how it appears with protanopia, deuteranopia, tritanopia, or achromatopsia.
Open Tool โImage โ Base64 Data URL
Drag-and-drop an image to get a copy-pasteable data: URL with <img>, CSS, and Markdown snippets.
Open Tool โ