How-To Guides

Combine multiple PDF files into one document online for free. Drag and drop to reorder pages. No signup, no watermark — runs in your browser.

Split a PDF into separate files or extract specific pages. Select page ranges, download individual pages — all free, no signup required.

Convert JPG, PNG, or WebP images to a PDF document online for free. Combine multiple images into one PDF. No signup, no watermark.

Rotate PDF pages 90°, 180°, or 270° online for free. Fix upside-down or sideways scanned documents. No signup required.

Reduce PDF file size online for free. Compress large PDF documents for email, upload, or sharing. No signup, no quality loss — runs in your browser.

Convert PDF pages to JPG or PNG images online for free. Choose resolution, download all pages as images. No signup required.

Add page numbers to any PDF document online for free. Choose position (top, bottom, corner), font size, and starting number. No signup needed.

Convert EPUB ebooks to PDF online for free. Runs entirely in your browser — your files never leave your device. No signup required.

Extract all text from a PDF file online for free. Copy to clipboard or download as a .txt file. No signup, runs in your browser.

Add a text watermark to every page of a PDF online for free. Customize position, size, opacity, and color. No signup required.

Convert plain text to a PDF document online for free. Type or paste text, choose font and layout, then download as PDF. No signup.

Remove password protection from PDF files online for free. Enter the password, download an unlocked copy. Runs entirely in your browser — files never uploaded.

Add a password to any PDF file online for free. AES-256 encryption keeps your documents secure. No signup required.

Rearrange pages in a PDF by drag and drop online for free. Delete unwanted pages and download the reordered PDF instantly. No signup.

Convert Markdown files to beautifully formatted PDF documents online for free. Supports headings, tables, code blocks, and lists. No signup.

Convert CSV files to professional PDF documents with formatted tables online for free. Colored headers, clean layout. No signup.

Convert HTML content to PDF documents online for free. Paste HTML code and download a clean PDF. No signup required.

Convert JSON data to a beautifully formatted PDF document online for free. Syntax highlighted, collapsible, and easy to read. No signup.

Compress images online for free without losing quality. Reduce JPG, PNG, and WebP file size for email, web, or social media. No signup required.

Convert images between PNG, JPG, and WebP formats online for free. Batch convert multiple images at once. No signup, no watermark.

Crop images to any size or aspect ratio online for free. Drag to select the area you want to keep. Supports JPG, PNG, and WebP.

Resize images online for free by pixels or percentage. Change dimensions of JPG, PNG, or WebP photos. Keeps aspect ratio. No signup.

Convert HEIC and HEIF photos from iPhone to JPG online for free. No upload to servers — runs entirely in your browser. No signup.

Convert SVG vector files to PNG images at any resolution online for free. Set custom dimensions, background color, and padding. No signup.

Add a text watermark to photos online for free. Drag to position, adjust size and opacity. Supports JPG, PNG, and WebP. No signup.

Make an animated GIF from images online for free. Upload JPG, PNG, or WebP photos, set timing, reorder frames. No signup, runs in browser.

Rotate images 90°, 180°, 270° or flip horizontally and vertically online for free. Supports JPG, PNG, WebP. Download instantly, no signup.

Calculate missing width or height from any aspect ratio. Supports 16:9, 4:3, 1:1, 9:16, 21:9, and custom ratios. Free, no signup.

Generate placeholder images of any size with custom background color and text. Download as PNG, JPG, or WebP. Free placeholder.com alternative.

Optimize and compress SVG files online for free. Remove metadata, comments, and redundant attributes. Reduces SVG size by 20–60%. SVGO alternative.

Make passport and ID photos online for free. Crop to standard sizes: US 2x2 inch, EU 35x45mm, UK, and more. Guidelines overlay shows head and chin position.

Blur or pixelate faces, license plates, and sensitive information in photos online for free. Paint over any area to censor it. No signup.

Make a photo collage online for free. Combine multiple photos into grid layouts, adjust spacing, and download in high quality. No signup, no watermark.

Convert any image to a Base64-encoded data URI online for free. Copy as CSS background, HTML img tag, or raw Base64. Supports JPG, PNG, WebP, SVG, GIF.

Flip or mirror any image horizontally or vertically online for free. Upload PNG, JPG, WebP — download the flipped result instantly. No signup.

Upload any image and pick colors from it online for free. Get HEX, RGB, and HSL values with one click. Eyedropper tool for designers.

Apply beautiful photo filters online for free. Grayscale, sepia, vintage, warm, cool, high contrast, and more — download the result as PNG or JPG.

Generate app icons in all required sizes for iOS, Android, and web online for free. Upload one image, download a ZIP with every size you need.

Convert JPG/JPEG images to WebP format online for free. Up to 35% smaller file sizes with no quality loss. Batch convert multiple images at once.

Convert WebP images to PNG format online for free. Preserves transparency and quality. Batch convert multiple WebP files instantly.

Convert WebP images to JPG/JPEG format online for free. Universal compatibility for sharing and editing. Batch convert instantly.

Convert PNG images to JPG/JPEG format online for free. Reduce file size, remove transparency. Batch convert unlimited images.

Convert PNG images to WebP format online for free. 25-35% smaller files with transparency support. Batch convert unlimited images.

Convert next-gen AVIF images to universally compatible JPG format online for free. Open AVIF files on any device instantly.

Convert GIF images to PNG format online for free. Extract the first frame from animated GIFs. Batch convert multiple files.

Convert BMP bitmap images to JPG/JPEG format online for free. Reduce file sizes by up to 90%. No signup required.

Convert TIFF images to JPG/JPEG format online for free. Perfect for reducing large scanned documents. Batch convert instantly.

Compare two images side by side with a before/after slider online for free. Upload two images and drag the slider to see differences.

Crop any image into a circle online for free. Perfect for profile pictures, avatars, and social media. Download as PNG with transparent background.

View EXIF metadata from photos online for free. See camera model, shutter speed, ISO, GPS location, date taken, and more. No upload required.

Split images into grid tiles for Instagram online for free. Choose 3x1, 3x2, 3x3 or custom grid sizes. Download individual tiles or all at once.

Convert any photo to a pencil sketch effect online for free. Adjust intensity and detail level. Download the sketch as PNG. No upload to server.

Convert any video to an animated GIF online for free. Pick start time, length, FPS, and size. MP4, MOV, WebM supported. No signup.

Compress videos online for free to a smaller MP4. Perfect for email, WhatsApp, Discord, and social media. Adjustable quality. No signup.

Cut and trim videos online for free. Remove the start or end, lossless cut for fast downloads. Supports MP4, MOV, WebM. No signup.

Extract audio from any video as MP3 online for free. Convert MP4, MOV, WebM to MP3 at up to 320kbps. No signup, fast download.

Extract still frames from any video as JPG or PNG images online for free. Set custom FPS. Download all frames as a ZIP. No signup.

Remove sound from any video online for free. Lossless — no quality loss, fast processing. Download a silent MP4. No signup.

Convert video files between MP4, WebM, MKV, MOV, and AVI online for free. Fast lossless conversion when possible. No signup.

Resize videos to 1080p, 720p, 480p, or any custom resolution online for free. Preserves aspect ratio. No signup, fast processing.

Rotate videos 90° clockwise, counter-clockwise, or 180° online for free. Flip horizontally or vertically. No signup, fast processing.

Speed up or slow down videos online for free. 0.25x slow motion to 4x fast forward. Audio pitch adjusts automatically. No signup.

Reverse any video clip so it plays backwards online for free. Great for boomerangs, TikTok effects, and creative edits. No signup.

Resize any video for TikTok (9:16), Instagram Reels (9:16), YouTube Shorts (9:16), or Facebook (4:5) online for free. Crop, blur, or pad. No signup.

Download YouTube video thumbnails in HD, SD, and max resolution for free. Just paste the video URL. No signup, instant download.

Convert WEBM videos to animated GIF online for free. Create memes and shareable clips from screen recordings. No signup required.

Convert audio files online for free. WAV to MP3, FLAC to MP3, M4A to MP3, OGG to MP3, and more. Choose bitrate and format. No signup.

Cut and trim MP3, WAV, FLAC, M4A, and OGG audio files online for free. Lossless cutting for fast results. No signup required.

Convert text to natural-sounding speech online for free. Multiple voices and languages. Listen online or download audio. No signup.

Upload an audio file and generate a beautiful waveform visualization online for free. Export the waveform as a PNG image. Supports MP3, WAV, OGG.

Convert Word documents (.docx, .doc) to PDF online for free. Preserves formatting, fonts, and images. No signup, no watermark.

Convert Excel spreadsheets (.xlsx, .xls) to PDF online for free. Tables, formatting, and charts are preserved. No signup, no watermark.

Convert PowerPoint presentations (.pptx, .ppt) to PDF online for free. Slides, formatting, and images preserved. No signup, no watermark.

Extract text from images online for free using OCR. Supports JPG, PNG, TIFF, BMP, WebP. Works with screenshots, scans, and printed text. No signup.

Remove the background from any photo online for free with AI. Works with people, products, animals. Get transparent PNG instantly. No signup.

Remove unwanted objects, people, or text from photos online for free. AI fills the background seamlessly. Like magic eraser — no signup.

Transcribe audio and video to text online for free using Whisper AI. Supports 99 languages, auto-detection, SRT subtitle export. No signup.

Count words, characters, sentences, paragraphs, and reading time online for free. Paste or type text — instant results. No signup.

Write Markdown and see it rendered in real time. Side-by-side editor and preview. Export to HTML. Free, no signup.

Generate lorem ipsum placeholder text by paragraphs, sentences, or words. Copy dummy text instantly for designs and mockups. Free, no signup.

Convert text between UPPER, lower, Title, Sentence, camelCase, snake_case, and kebab-case online for free. Paste text, click, copy. No signup.

Generate clean, URL-safe slugs from any text online for free. Handles unicode, accented characters, and special symbols. No signup.

Sort lines alphabetically, remove duplicate lines, reverse text, trim whitespace — all in one tool online for free. No signup.

Generate fancy text with cool unicode fonts online for free. Bold, italic, cursive, gothic, bubble letters — copy and paste for Instagram, TikTok, Twitter.

Repeat any text or string multiple times online for free. Set count, separator, and copy the result. Perfect for testing, filler content, and data generation.

Count characters, words, sentences, and paragraphs online for free. See live limits for Twitter/X (280), Instagram (2200), TikTok (2200), YouTube (5000), and more.

Count the number of lines in any text, code, or CSV online for free. See total, non-empty, and unique line counts instantly.

Browse, search, and copy paste emojis online for free. All Unicode emojis organized by category — one click to copy. Works everywhere.

Convert binary code to readable text online for free. Paste binary digits and instantly see the decoded ASCII/UTF-8 text.

Calculate how long it takes to read any text online for free. Paste your article or document and get estimated reading and speaking time.

Count sentences, paragraphs, and average sentence length online for free. Paste your text and get detailed readability stats.

Convert typed text to handwritten-style images online for free. Choose paper type, ink color, and font style. Download as PNG.

Translate text to Morse code and Morse code to text online for free. Listen to the Morse code audio with adjustable speed. Copy or share the result.

Convert text to ASCII art online for free. Choose from multiple font styles to create text banners, signatures, and decorations. Copy and paste anywhere.

Encode and decode text with ROT13 or any Caesar cipher shift online for free. Adjustable shift value from 1 to 25. Instant encryption and decryption.

Check keyword density and word frequency in any text online for free. See top keywords, 2-word and 3-word phrases, and their percentages for SEO optimization.

Convert text to the NATO phonetic alphabet online for free. Type any text and instantly see Alpha, Bravo, Charlie equivalents. Copy or listen to the result.

Write and preview Markdown online for free. Full toolbar with bold, italic, headings, links, images, lists, and code blocks. Export as HTML or Markdown.

Encode text or files to Base64 or decode Base64 back online for free. Instant conversion, no signup, runs in your browser.

Format and validate JSON online for free. Beautify with indentation, validate syntax, or minify. Runs in your browser, no signup.

Convert CSV to JSON or JSON to CSV online for free. Live preview as you type or upload a file. No signup, runs in browser.

Convert Unix timestamps to dates and dates to timestamps online for free. Supports seconds, milliseconds, ISO 8601. No signup.

Decode JWT tokens online for free. Inspect header, payload, and claims. Verify expiration and signature algorithm. No signup, runs in browser.

Test regular expressions online for free with live match highlighting, capture groups, and flag toggles. Supports JavaScript regex. No signup.

Encode or decode URLs and query strings online for free. Supports encodeURI and encodeURIComponent modes. No signup.

Compare two texts online for free and see additions, removals, and changes highlighted line by line. Like a code diff tool. No signup.

Convert JSON to YAML or YAML to JSON online for free. Live validation as you type. No signup, runs in browser.

Convert HTML to clean Markdown online for free. Paste HTML, get Markdown instantly. Perfect for migrating content. No signup.

Convert numbers between binary, octal, decimal, and hexadecimal online for free. Real-time conversion as you type. No signup.

Calculate your exact age in years, months, days, hours, and minutes from your date of birth. Free, instant, no signup.

Format and validate XML online for free. Beautify with indentation, check for errors, or minify. Syntax highlighting included. No signup.

Format and beautify SQL queries online for free. Proper indentation, keyword uppercasing, and clean output. No signup.

Paste a cron expression and see when it runs in plain English online for free. Shows next 10 execution times. No signup.

Convert between metric and imperial units online for free. Length, weight, temperature, speed, area, volume, and data. No signup.

Generate HTML meta tags for SEO, Open Graph, and Twitter Cards online for free. Live preview of how your page appears in Google and social media. No signup.

Generate a robots.txt file online for free. Set allow/disallow rules, sitemap URL, and crawl delay. Download or copy. No signup.

Minify HTML code online for free. Remove comments, whitespace, and unnecessary attributes. Reduce file size for faster page loads. No signup.

Minify CSS online for free. Remove comments, whitespace, and redundant code. Smaller stylesheets for faster websites. No signup.

Minify JavaScript code online for free using Terser. Removes whitespace, shortens variable names, eliminates dead code. No signup.

Convert Markdown to clean HTML online for free. Live preview with one-click download. Perfect for blog posts and documentation. No signup.

Calculate Linux file permissions visually online for free. Toggle read, write, execute for owner, group, others. See chmod 777, 755, 644, etc. No signup.

Build cron expressions with a visual editor online for free. Select minute, hour, day, month, weekday. Get the cron string instantly. No signup.

Find your public IP address and look up any IP for geolocation, ISP, timezone, and more. Free, no signup.

Look up DNS records for any domain online for free. Check A, AAAA, CNAME, MX, TXT, NS, and SOA records. No signup.

Merge two texts side by side online for free. Pick changes from either version and resolve conflicts visually. No signup.

Scan and read QR codes from images online for free. Upload a screenshot or photo, instantly decode URLs, text, Wi-Fi, and vCards. No signup.

Generate a JSON Schema from sample JSON online for free. Auto-infers types, required fields, and nested structures. No signup.

Encode special characters to HTML entities or decode them back online for free. Named, numeric, and hex entities supported. No signup.

Build Markdown tables visually online for free. Add rows and columns, type content, copy the formatted table. Perfect for GitHub READMEs. No signup.

Convert JSON arrays to CSV format online for free. Handles nested objects, custom delimiters, and downloads as .csv file. No signup required.

Convert text to binary, hexadecimal, decimal, and octal online for free. Also convert binary back to text. Supports ASCII and UTF-8.

Generate valid test credit card numbers for Stripe, PayPal, Braintree, and other payment gateways. Visa, Mastercard, Amex — all Luhn-valid. No real charges.

Preview how your Open Graph meta tags look on Twitter, Facebook, LinkedIn, and Discord. Edit title, description, and image — see live previews instantly.

Validate and format YAML online for free. Detect syntax errors, auto-indent, and convert between YAML and JSON. No signup required.

Generate JSON Web Tokens (JWT) online for free. Set payload, expiry, and algorithm — sign with a secret key. For testing and development.

Generate htpasswd password hashes online for free. Supports bcrypt, MD5, and SHA-1 algorithms. Perfect for Apache .htaccess authentication.

Validate .env files online for free. Detect syntax errors, duplicate keys, empty values, and missing quotes. Compare against .env.example.

Compare two blocks of text and find differences online for free. Highlights additions, deletions, and changes line by line. No signup.

Convert between CSS units online for free. PX to REM, EM to PX, PT to PX, and more. Set your base font size for accurate conversions.

Parse and break down any URL into its components online for free. See protocol, host, path, query parameters, hash, and more.

Build regular expressions with a visual helper online for free. Common patterns for emails, URLs, phones, dates, and more. Test instantly.

Find JSONPath expressions by clicking on values in your JSON data. Paste JSON, click any value, and get the exact path. Copy paths instantly.

Generate .gitignore files online for free. Select your languages, frameworks, and IDEs to create a comprehensive gitignore file. Copy or download instantly.

Build UTM-tagged URLs for campaign tracking online for free. Enter source, medium, campaign, term, and content parameters. Copy the tagged URL instantly.

Convert XML to JSON and JSON to XML online for free. Paste your XML data and get formatted JSON output instantly. Handles nested elements and attributes.

Detect your screen resolution, viewport size, device pixel ratio, color depth, and more online for free. See all your display information at a glance.

Convert pixels to density-independent pixels (DP/DIP) and scale-independent pixels (SP) for Android development. Supports all screen densities (mdpi, hdpi, xhdpi, xxhdpi, xxxhdpi).

Complete regular expression cheatsheet and reference guide. Quick lookup for regex syntax, character classes, quantifiers, anchors, groups, lookaheads, and common patterns.

Complete HTTP status codes reference with explanations, categories, and use cases. Searchable list of all 1xx, 2xx, 3xx, 4xx, and 5xx status codes.

Calculate IP subnets online for free. Enter an IP address and CIDR notation to get network address, broadcast address, usable host range, subnet mask, and more.

Convert text between developer naming conventions online for free. camelCase, snake_case, PascalCase, kebab-case, CONSTANT_CASE, dot.case, and more.

Compare two JSON objects online for free. See added, removed, and changed keys highlighted with a clear visual diff. Paste and compare instantly.

Convert SVG code to a CSS background-image data URI online for free. Paste your SVG and get optimized CSS ready to use. No external files needed.

Pick any color from an image and get its HEX, RGB, and HSL code online for free. Click any pixel to grab the exact color. No signup.

Generate all favicon sizes (16x16, 32x32, 180x180, 512x512) from one image online for free. Download as a ZIP. No signup.

Convert colors between HEX, RGB, HSL, and CMYK online for free. Live preview with all formats at once. No signup.

Create beautiful CSS gradients with live preview online for free. Linear and radial gradients. Copy CSS code in one click. No signup.

Create CSS box shadows with a visual editor online for free. Adjust offset, blur, spread, color, and inset. Copy CSS in one click. No signup.

Create CSS border-radius with per-corner control online for free. Visual editor with live preview. Copy CSS in one click. No signup.

Extract dominant colors from any image online for free. Get 5–8 colors with HEX, RGB, and HSL values. Perfect for design inspiration. No signup.

Make memes online for free. Upload any image, add top and bottom text with Impact font. Download instantly. No signup, no watermark.

Place screenshots inside phone, laptop, or tablet frames online for free. Perfect for app store listings, portfolios, and presentations. No signup.

Create a digital signature online for free. Draw, type, or upload your signature. Download as transparent PNG for documents, emails, and contracts. No signup.

Create pixel art online for free with a simple grid editor. Choose canvas size, pick colors, draw pixel by pixel, and export as PNG.

A simple free online whiteboard. Draw, sketch, and brainstorm with pen, shapes, and text. Export your drawing as PNG. No signup needed.

Simulate how your images look to people with color blindness online for free. Test for protanopia, deuteranopia, tritanopia, and more.

Find the name of any color online for free. Enter a hex code or pick a color to get its CSS name, closest named color, and variations.

Convert hex color codes to RGB and vice versa online for free. Also converts to HSL, CMYK, and shows a live preview.

Generate placeholder image URLs with custom dimensions online for free. Get random photos, grayscale, blur effects, and specific image IDs for mockups and prototypes.

Check color contrast ratios for WCAG accessibility compliance online for free. Test foreground and background colors for AA and AAA standards.

Generate CSS flexbox layouts visually online for free. Adjust direction, wrap, justify, align, and gap with live preview. Copy the CSS code instantly.

Generate CSS Grid layouts visually online for free. Set columns, rows, gaps, and areas with live preview. Copy the CSS and HTML code instantly.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes for text or files online for free. Verify file integrity with checksums. No signup.

Create QR codes online for free. Generate QR codes for URLs, text, Wi-Fi networks, and more. Download as PNG or SVG. No signup.

Generate strong, random passwords online for free. Customize length, symbols, numbers, and character sets. Cryptographically secure. No signup.

Generate random UUIDs (v4) online for free. Bulk generation, multiple formats: standard, no-dashes, uppercase. No signup.

Generate random numbers online for free. Dice roller, coin flip, lottery number picker. Cryptographically secure. No signup.

Generate barcodes online for free. Code 128, EAN-13, EAN-8, UPC-A, Code 39, ITF-14, and more. Download as PNG or SVG. No signup.

Create professional PDF invoices online for free. Add your business details, line items, and tax. Download instantly. No signup, no watermark.

Calculate percentages instantly online for free. What is X% of Y? What percentage is X of Y? Calculate percent increase, decrease, and discounts.

Calculate your BMI (Body Mass Index) from height and weight online for free. Metric and imperial. See your BMI category and healthy weight range.

Test your typing speed and accuracy online for free. See your WPM (words per minute), accuracy, and characters per minute. Multiple modes and durations.

Stay focused with the Pomodoro technique online for free. 25-minute work sessions with short and long breaks. Tracks rounds and total focus time. No signup.

Create a countdown to any date and time online for free. See days, hours, minutes, and seconds remaining. Perfect for events, deadlines, and holidays.

Generate a free privacy policy for your website or app. GDPR and CCPA compliant templates. Fill in your details, copy or download as HTML/text.

Create professional receipts online for free. Add items, tax, payment method — download as PDF. Perfect for freelancers and small businesses.

Build a professional resume or CV online for free. Fill in your details, choose a template, and download as PDF. No signup, no watermark.

Calculate monthly loan or mortgage payments online for free. Enter amount, interest rate, and term — see payment schedule, total interest, and amortization table.

Calculate tip amount and split the bill online for free. Enter bill total, tip percentage, and number of people. Quick and easy.

Calculate sale prices and discounts online for free. Enter original price and discount percentage — see how much you save instantly.

Calculate your GPA online for free. Add courses with grades and credits — see your cumulative GPA on a 4.0 scale instantly.

Convert between hourly, weekly, monthly, and annual salary online for free. Factor in hours per week and weeks per year.

Free online stopwatch with lap times, split tracking, and millisecond precision. No download, runs in your browser.

Set an alarm or countdown timer online for free. Choose hours and minutes, get notified with sound when time is up. No signup.

Convert numbers to Roman numerals and Roman numerals to numbers online for free. Supports values from 1 to 3,999,999.

Convert inches to centimeters and cm to inches online for free. Quick, accurate conversion with a reference table.

Convert Fahrenheit to Celsius and Celsius to Fahrenheit online for free. Instant conversion with formula and reference table.

Calculate compound interest online for free. Enter principal, rate, time, and compounding frequency to see future value, total interest, and a year-by-year growth table.

Free online scientific calculator with trigonometry, logarithms, exponents, roots, factorials, and more. Works in your browser, no download needed.

Calculate fractions online for free. Add, subtract, multiply, and divide fractions and mixed numbers. Shows step-by-step simplification.

Calculate electricity costs online for free. Enter wattage, hours of use, and electricity rate to estimate daily, monthly, and yearly energy costs.

Calculate fuel costs for any trip online for free. Enter distance, fuel efficiency, and gas price to estimate total fuel cost. Supports miles/km and MPG/L per 100km.

Calculate the number of days, weeks, months, and years between two dates online for free. Find out exactly how long between any two dates.

Convert time between time zones online for free. See the current time in any city or time zone. Compare multiple zones side by side.

Calculate possible blood types for a child based on parents' blood types online for free. See ABO and Rh factor inheritance with Punnett square breakdown.

Convert any date to Roman numerals online for free. Perfect for tattoos, invitations, and engravings. Shows day, month, and year in Roman numeral format.

Generate a QR code for your WiFi network online for free. Enter SSID and password, download or print the QR code for guests to scan and connect instantly.

Play white noise, pink noise, and brown noise online for free. Focus, study, sleep, or relax with ambient sound. Adjustable volume, no download needed.

Track your daily habits online for free. Add habits, check them off each day, and see your streaks. Data stored locally in your browser — no signup needed.

Create printable checklists online for free. Add items, reorder with drag and drop, and download or print your checklist. Perfect for to-do lists and packing lists.