PDF & Documents

Combine multiple PDF files into one document. Drag to reorder and download instantly.

Split PDF documents into separate files by page range.

Convert images (JPG, PNG, WebP) to PDF documents.

Reduce PDF file size while maintaining quality.

Protect/Unlock PDF

Encrypt PDF with password or remove password security permissions.

Convert PDF pages to high-quality JPG or PNG images.

Invoice Generator

Create professional invoices instantly. Add items, taxes, discounts, and download as PDF.

Add your digital signature to PDF documents securely in your browser.

Visually crop and trim PDF pages. Remove margins, headers, or resize page area with precision.

Convert PDF to Word with preserved formatting: bold, italic, colors, fonts, and layout structure.

Convert Word documents to PDF with preserved formatting and layout.

Compare two PDF files side-by-side with visual ghosting overlay and pixel-level diff highlighting.

Add professional stamps to your PDF documents — approval, date, checklist, notes, and more.

PDF Reader (AI Gestures)

Read PDF documents in your browser with AI-powered hand gesture page navigation.

Document to Markdown

Convert PDF, Word, Excel, and other documents into Markdown. Runs securely in your browser.

Extract ZIP archive files online. View contents, download individual files, or save everything instantly.

Remove Background

Remove image backgrounds instantly with high-precision AI. Download transparent PNGs.

Image Compressor

Reduce image file size by up to 80% without visible quality loss. Supports JPG, PNG, WebP.

Video Compressor

Compress MP4, WebM, MOV videos in browser. Reduce file size with adjustable quality.

Image Converter

Convert between JPG, PNG, WebP, GIF, and other formats.

Favicon Generator

Create favicon.ico files for your website from any image.

Image to Base64

Convert images to Base64 encoded strings for embedding.

Create premium, seamless panoramic carousels for Instagram. SCRL-style editor.

QR Code Generator

Create custom QR codes with logos, colors, and multiple export formats.

Barcode Generator

Generate barcodes in various formats (EAN, UPC, Code128).

Image Crop & Rotate

Crop, rotate, and resize images with custom aspect ratios or freehand selection.

Video to GIF Converter

Convert video files to animated GIFs in your browser. Trim clips, adjust FPS and resolution. No upload needed.

Scan and decode QR codes from images or camera.

Resize images to exact dimensions or by percentage.

Screen Recorder

Record your screen, window, or browser tab with audio. No installation, no upload, 100% private.

Running Text / Marquee Display

Create animated scrolling running text with strobe effects, blink mode, and custom colors.

Record audio from your microphone directly in your browser. Pause, resume, and download as WebM or MP4. No installation, no upload, 100% private.

View embedded metadata from photos — camera model, settings, GPS, date and more. 100% private.

WiFi QR Code Generator

Create QR codes to share WiFi access without typing passwords.

Face Anonymizer

Automatically detect and blur or pixelate faces in photos. Select all or individual faces. 100% private — runs in your browser.

Image Annotator

Annotate images with arrows, shapes, text, and freehand drawing. Upload or paste an image and download the result.

Security & Privacy

Password Generator

Generate secure passwords with custom complexity rules.

Generate MD5, SHA-256, bcrypt, and other hash values from text.

Generate unique UUIDs/GUIDs in v1 through v7 formats.

Encode and decode Base64 strings and files.

Binary Converter

Convert text to binary code and decode binary strings back to text.

Decode, verify signature, and generate JSON Web Tokens (JWT) securely.

2FA TOTP Authenticator

Generate TOTP 2FA codes from secret keys or QR codes. Supports SHA1/SHA256/SHA512. 100% client-side.

Checksum Checker

Verify file integrity by computing MD5, SHA-1, SHA-256, SHA-512, and CRC32 checksums. Drop any file — runs entirely in your browser.

Password Strength Checker

Analyze password security and get improvement suggestions.

Securely encrypt and decrypt text using AES, DES, Rabbit, RC4, and customized RC4Drop algorithms.

Generate HMAC signatures for API authentication and data verification.

Image Steganography

Hide secret text messages inside images invisibly.

UUID Collision Calculator

Calculate the probability of generating duplicate UUIDs, ULIDs, or NanoIDs using the Birthday Problem formula.

Developer Tools

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

Convert JSON data to CSV format for spreadsheets.

Format and beautify HTML code with proper indentation.

Countdown Timer

Create a countdown timer for any date or event.

Validate your CSV data manually row-by-row. Mark rows as valid or invalid, add comments, export results.

Verify and synchronize mismatched data between two sources instantly. find differences and fix errors.

Boost focus and productivity with customizable work intervals and breaks.

Markdown Editor

Edit and preview Markdown with live rendering.

Minify CSS code to reduce file size.

JavaScript Minifier

Minify JavaScript code to reduce file size.

Optimize and compress SVG files using SVGO. Remove metadata, comments, and redundant data to reduce file size.

Test and debug regular expressions with live matching.

Convert between Unix timestamps and human-readable dates.

Compare two texts or code snippets and highlight differences.

HTML Entity Encoder

Encode and decode HTML entities.

Format and beautify SQL queries with support for multiple dialects.

Validate, format, and convert YAML in real-time. Pinpoints errors by line and column. Convert YAML ↔ JSON instantly.

Tree Visualizer

Build and animate binary trees from arrays or BST insertions. See interactive step-by-step traversal visualizations.

Time Complexity Calculator

Analyze time and space complexity of your algorithm. Paste code or pseudocode and get instant Big O notation with detailed explanation.

Crontab Generator

Build cron expressions visually or parse existing ones into human-readable schedules.

Instant Visualizer

Paste data from Excel or CSV and instantly get interactive charts, KPI cards, and insights — zero config needed.

Paste HTML, CSS, and JavaScript and see the live rendered result instantly. Manage separate files or write everything in a single document.

P2P Local Data Transfer

Send text and files directly between devices via WebRTC — no uploads, no accounts, nothing stored on any server.

Chmod Calculator

Calculate Unix file permissions interactively. Toggle read, write, execute bits for owner, group, and others. Get octal, symbolic, and chmod command output instantly.

Pick colors from images and convert between HEX, RGB, and HSL.

Color Palette Generator

Generate harmonious color palettes for your designs.

Gradient Generator

Create beautiful CSS gradients with visual editor.

Keyframe Animation Generator

Create CSS keyframe animations visually with live preview and instant code export.

Glassmorphism Generator

Create beautiful glassmorphism effects with live preview and CSS code export.

Contrast Checker

Check color contrast ratio for accessibility (WCAG).

Box Shadow Generator

Create CSS box shadows with visual editor and copy code.

Border Radius Generator

Generate custom CSS border radius with live preview.

CSS Triangle Generator

Create CSS triangles and arrows without images.

Font Pairing Tool

Find perfect Google Font combinations for your designs.

Color Blindness Simulator

Test your designs for different types of color blindness.

CSS Flexbox Generator

Visual flexbox layout generator with code export.

Measure objects in screenshots or screen captures with pixel rulers, boxes, calibration, and exportable results.

Convert your voice into text instantly with real-time transcription. Supports multiple languages.

Free online teleprompter with auto-scroll and reading modes. Perfect for presentations, recording, and script reading.

Lorem Ipsum Generator

Generate placeholder text in various formats and lengths.

Count words, characters, sentences, and paragraphs.

Convert text between uppercase, lowercase, title case, and more.

Find and replace text instantly with support for plain text and regex patterns.

Add prefixes and suffixes to each line or an entire text block.

ASCII Table Generator

Convert CSV, TSV, and delimited data into clean plain text ASCII tables.

Morse Code Encoder & Decoder

Convert text to Morse code or decode Morse code back to text instantly.

Remove extra spaces, duplicate lines, and clean up messy text.

Generate URL-friendly slugs from text.

Convert text to natural-sounding speech audio.

Reverse text, words, or letters. Perfect for creating mirror text.

Duplicate Line Remover

Remove duplicate lines from text while preserving order.

Unicode Analyzer

Inspect every character: code points (U+XXXX), UTF-8 bytes, categories, Unicode blocks, and normalization forms. Detects invisible and special characters.

Convert whitespace to newlines and vice versa. Split inline text into lines or join lines into one.

Sort lists with 10 modes: alphabetical, natural, numeric, by length, reverse, and shuffle. Remove duplicates and pick any separator.

Add multiple numbering styles to every line or strip copied line numbers from text and code snippets.

Meta Tag Generator

Generate SEO-optimized meta tags for your website.

Sitemap Generator

Generate XML sitemaps for search engines.

Robots.txt Generator

Create robots.txt files for search engine crawlers.

Check your public IP address, location, and ISP details.

Internet Speed Test

Test your internet connection speed (download, upload, ping).

URL Encoder / Decoder

Encode or decode URLs. Convert special characters to safer URL formats.

Open Graph Generator

Generate Open Graph tags for social media sharing.

Schema Markup Generator

Create JSON-LD structured data for rich search results.

Twitter Card Generator

Generate XLogo Card meta tags for better link previews.

Create UTM tracking parameters for campaign URLs.

Create short, memorable URLs with custom aliases.

HTTP Status Code Checker

Check HTTP response codes and headers for any URL.

Query DNS records (A, AAAA, MX, TXT, CNAME) for any domain.

IPv4 Subnet Calculator

Calculate CIDR ranges, subnet masks, wildcard masks, broadcast addresses, and usable IPv4 hosts.

User Agent Checker

Detect your browser, OS, device type, and rendering engine from your user agent string.

Scientific Calculator

Full-featured calculator with trigonometric, logarithmic, and exponential functions.

Convert between different units of measurement.

Discount Calculator

Calculate the final price after discount. Supports stacked discounts and tax.

Percentage Calculator

Calculate percent of a value, percentage share, percent change, and increase or decrease by percentage.

Aspect Ratio Calculator

Simplify ratios and resize images, videos, and layouts while preserving proportions.

Calculate your exact age in years, months, and days. See total days lived and countdown to your next birthday.

Date Calculator

Calculate the difference between two dates or add/subtract days, weeks, months, and years from any date.

Time Calculator

Calculate the difference between two times or add/subtract hours, minutes, and seconds from any time.

Event Timekeeper

Professional event schedule manager with real-time countdown and presenter focus mode.

Matrix Calculator

Perform matrix operations like addition, subtraction, multiplication, and determinant calculation.

Calculate Body Mass Index and health status.

Split Bill Calculator

Advanced bill splitting with custom shares, tax calculation, multi-currency support, PDF export, and QR code generation.

Loan Calculator

Soon

Calculate loan payments, interest, and amortization.

Tip Calculator

Soon

Calculate tips and split bills among multiple people.

Compound Interest Calculator

Soon

Calculate compound interest and investment growth over time.

Time Zone Converter

Soon

Convert time between different time zones worldwide.

Grade Calculator

Soon

Calculate weighted grades, GPA, and final scores.

Statistical Hypothesis Test

Calculate hypothesis tests for research: t-test, z-test, chi-square, ANOVA, and Pearson correlation. Paste data directly from Excel.

PDF & Documents

Security & Privacy

Developer Tools

Time Calculator

Calculate the difference between two times or add/subtract hours, minutes, and seconds from any time.

Time Difference

Find the duration between two times

Start Time

End Time

Free browser-based tools that process everything locally. Your files never leave your device.

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