Free Online Tools

Compress images without losing quality. Reduce file size by up to 80% using client-side compression.

Resize images to any dimension while maintaining aspect ratio. Supports PNG, JPG, and WebP.

Convert images between PNG, JPG, WebP, and AVIF formats instantly in your browser.

Crop images with an intuitive drag-and-drop interface. Set custom aspect ratios or free-form crop.

Generate QR codes for URLs, text, WiFi, email, and more. Download as PNG or SVG.

Generate favicons in all sizes from a single image. Create 16x16, 32x32, 48x48, 180x180, and 512x512 icons.

Add text watermarks to your images with custom positioning, opacity, and styling. Protect your photos and designs.

Extract dominant colors from any image. Get a beautiful palette with HEX values you can copy with one click.

Convert images to Base64 encoded strings. Get data URIs, CSS backgrounds, and HTML img tags ready to use.

Convert SVG files to PNG images at 1x, 2x, 3x, or 4x resolution. Upload a file or paste SVG code directly.

Upload an image to view EXIF metadata including camera model, GPS coordinates, date taken, exposure settings, and more.

Generate placeholder images with custom dimensions, colors, and text. Download as PNG, JPEG, or WebP.

Create Open Graph images (1200x630) with templates. Add title, subtitle, and choose background colors or gradients.

Upscale and enhance images using AI. Increase resolution up to 4x while maintaining quality.

Remove image backgrounds instantly using AI. Get transparent PNG results in seconds.

Convert screenshots and mockups into HTML/CSS code using AI. Upload a design, get clean code.

Format, validate, and beautify JSON data with syntax highlighting and error detection.

Decode and inspect JWT tokens. View header, payload, and verify signatures.

Encode text to Base64 or decode Base64 back to text. Supports UTF-8 and binary data.

Encode or decode URL components. Handle special characters, query strings, and full URLs.

Test regular expressions with real-time matching, capturing groups, and explanation.

Generate UUID v4 identifiers. Create single or bulk UUIDs with one click.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files using Web Crypto API.

Minify or beautify CSS code instantly. Remove comments and whitespace to reduce file size.

Minify JavaScript code by removing comments and whitespace. Reduce file size for faster page loads.

Minify HTML code by removing comments and collapsing whitespace. Preserve content in pre, code, and script tags.

Convert Markdown to HTML with live preview. Supports headers, bold, italic, links, code blocks, lists, and more.

Parse cron expressions to human-readable descriptions. See next scheduled run times and use common presets.

Analyze meta tags of any webpage. Check title, description, Open Graph, Twitter cards, and get SEO recommendations.

Preview how your page looks when shared on Facebook, Twitter, and LinkedIn. Check all OG and Twitter Card tags.

Inspect HTTP response headers of any URL. Check security headers, caching, content type, and more.

Validate and analyze your robots.txt file. Check rules, sitemaps, and common crawling issues.

Follow and inspect HTTP redirect chains. See every hop, status code, and final destination URL.

Test website response time, content size, and compression. Measure TTFB and total download time.

Check SSL certificate details for any domain. View issuer, validity dates, and certificate chain.

Look up DNS records for any domain. Query A, AAAA, CNAME, MX, TXT, NS, and SOA records.

Look up domain WHOIS information. See registrar, creation date, expiry date, nameservers, and status.

Validate XML sitemaps by URL. Check structure, URL count, last modified dates, and errors.

Check structured data (JSON-LD, Microdata) on any web page. Validate against common schema.org types.

Estimate the carbon footprint of any web page. See page weight, estimated CO2 per visit, and comparisons.

Capture full-page screenshots of any website. Get high-resolution images for presentations and documentation.

Scan any website for privacy issues. Detect trackers, cookies, third-party scripts, and privacy policy compliance.

Find broken links on any website. Crawl pages and identify 404 errors, redirects, and dead links.

Count words, characters, sentences, and paragraphs. Estimate reading and speaking time.

Count characters with and without spaces. Track limits for Twitter, meta descriptions, and more.

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.

Generate placeholder text in paragraphs, sentences, or words. Copy with one click.

Convert text to URL-friendly slugs. Remove special characters, handle unicode, and customize separators.

Convert CSV data to JSON format. Auto-detect delimiters and use first row as headers.

Convert JSON arrays to CSV format. Flatten nested objects with dot notation and download as CSV file.

Remove duplicate lines from text. Options for case-sensitive matching, trimming whitespace, and sorting output.

Compare two texts side-by-side with color-coded differences. See additions, deletions, and unchanged lines.

Find and replace text with options for case-sensitive, whole word, and regex matching. Highlight all matches.

Generate Markdown tables with a visual editor. Add rows and columns, set alignment, and copy the output.

Summarize long text into concise key points using AI. Get bullet points or paragraph summaries instantly.

Convert colors between HEX, RGB, HSL, and CMYK formats. Live preview with color picker.

Convert between units of length, weight, temperature, area, volume, speed, and more.

Convert numbers between binary, octal, decimal, and hexadecimal bases.

Convert between Unix timestamps and human-readable dates. Show ISO 8601, UTC, local time, and relative time.

Convert between YAML and JSON formats. Handles nested objects, arrays, strings, numbers, and booleans.

Convert XML to JSON format using DOMParser. Handles nested elements, attributes, and text nodes.

Upload or paste CSV data to view as an interactive table. Sort columns, search rows, edit cells, and export.

Convert between TOML and JSON formats. Parse TOML sections, key-value pairs, arrays, and nested tables.

Convert PDF pages to high-quality images. Export as PNG or JPEG with custom resolution.

Convert HTML content or web pages to PDF documents. Preserve formatting and styles.

Convert Markdown text to beautifully formatted PDF documents with code highlighting.

Generate strong, random passwords with customizable length, characters, and complexity.

Check how strong your password is. Get an estimated crack time and improvement suggestions.

Generate HMAC signatures using SHA-256, SHA-384, or SHA-512 with the Web Crypto API.

Encrypt and decrypt text using AES-GCM with PBKDF2 key derivation. Runs entirely in your browser.

Generate Content-Security-Policy headers with a visual editor. Pick directives, use presets, and copy the result.

Generate Subresource Integrity (SRI) hashes for scripts and stylesheets. SHA-256, SHA-384, and SHA-512.

Parse raw email headers to see delivery path, SPF/DKIM/DMARC results, and hop-by-hop timestamps.

Transcribe audio files to text using AI. Support for MP3, WAV, M4A, and more formats.

Rewrite and paraphrase text using AI. Change tone, simplify language, or make text more professional.

Paste code and get a plain-English explanation using AI. Supports all major programming languages.

Check grammar, spelling, and style using AI. Get suggestions to improve clarity and correctness.

Generate structured blog post outlines using AI. Get headings, subheadings, and talking points from a topic.

Generate professional emails using AI. Provide context and tone, get a polished email draft instantly.

Convert code between programming languages using AI. Python to JavaScript, Java to TypeScript, and more.

Generate descriptive alt text for images using AI. Improve accessibility and SEO with accurate image descriptions.

Create beautiful CSS gradients with a visual editor. Linear, radial, and conic gradients.

Design CSS box shadows with visual controls. Adjust offset, blur, spread, and color.

Create custom border radius values with visual controls. Link or unlink corners for quick adjustment.

Learn and generate CSS Flexbox layouts visually. Adjust direction, alignment, wrapping, and gap in real time.

Build CSS Grid layouts with a visual editor. Define columns, rows, gaps, and span cells across areas.

Test how any URL looks at different screen sizes. Preview mobile, tablet, desktop, and custom breakpoints.

Browse and search emojis by category or keyword. Click to copy any emoji to your clipboard instantly.