Your Ultimate NextUtils

Encode and decode Base64 strings, files, and images. Convert text to Base64 format or decode Base64 back to original content with our free online tool.

Convert between binary, decimal, hexadecimal, and octal number systems. Free online tool for developers and students to perform number base conversions with precision.

Convert between different units of measurement including length, weight, volume, temperature, and more. Comprehensive unit converter for everyday calculations and professional use.

Convert between color formats including RGB, HEX, HSL, CMYK, and more. Professional color converter with color names, brightness analysis, and contrast ratios for designers and developers.

Convert Unix timestamps to readable dates and vice versa. Support for multiple timestamp formats, timezone conversions, and date calculations for developers and system administrators.

Generate secure, strong passwords with customizable options including length, character types, and exclusions. Perfect for creating secure passwords for accounts, applications, and systems.

Generate QR codes for URLs, text, contact information, and more. Customizable QR code generator with size, color, and format options for marketing, business cards, and digital sharing.

Generate various cryptographic hash types including MD5, SHA1, SHA256, SHA512, and more. Essential tool for developers, security professionals, and data integrity verification.

Generate UUIDs (Universally Unique Identifiers) and GUIDs (Globally Unique Identifiers) in various formats. Essential tool for developers creating unique identifiers for databases, APIs, and distributed systems.

Generate random numbers, strings, and data with customizable parameters. Perfect for testing, simulations, games, and any application requiring random data generation.

Generate Lorem Ipsum placeholder text in various lengths and formats. Essential tool for designers, developers, and content creators to fill layouts and test typography.

Generate Git commands for common development tasks including commits, branches, merges, and more. Interactive tool to help developers learn and use Git effectively.

Convert text case between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more. Essential tool for developers, writers, and content creators to format text consistently.

Count words, characters, sentences, and paragraphs in text with detailed statistics. Essential tool for writers, students, and content creators to meet word count requirements and analyze text.

Convert CSV data to JSON format with customizable options including delimiter detection, header handling, and data validation. Essential tool for data analysts, developers, and anyone working with data formats.

Convert JSON arrays to CSV format with advanced features including nested object flattening, array handling, and customizable delimiters. Essential tool for data analysts, developers, and business professionals.

Format and validate JSON data with syntax highlighting, error detection, and beautification. Essential tool for developers, API testers, and anyone working with JSON data.

Format code with proper indentation, spacing, and structure for multiple programming languages. Essential tool for developers to maintain clean, readable code and enforce coding standards.

Compare and highlight text differences between two pieces of text with side-by-side view and change highlighting. Essential tool for writers, editors, developers, and anyone needing to track text changes.

Test regular expressions with real-time matching, highlighting, and explanation. Essential tool for developers, system administrators, and anyone working with pattern matching and text processing.

Minify CSS, JavaScript, and HTML code to reduce file sizes and improve website performance. Essential tool for web developers and performance optimization specialists.

Convert XML to JSON and vice versa with advanced options including attributes, namespaces, and formatting. Perfect for developers, data analysts, and API integration.

Convert Markdown text to HTML with GitHub Flavored Markdown support, syntax highlighting, custom CSS, and multiple output formats. Perfect for developers and content creators.

Encode and decode HTML entities with support for named, numeric, and custom entities. Perfect for web development, security, and content processing with advanced options.

Advanced calculator with scientific functions, unit conversions, and history tracking. Perfect for complex calculations, engineering work, and everyday math needs.

Calculate percentages, ratios, proportions, and percentage changes with step-by-step solutions. Essential tool for students, business professionals, and anyone working with percentage calculations.

Compress images while maintaining quality with advanced algorithms and customizable compression settings. Essential tool for web developers, content creators, and anyone needing to optimize image file sizes.

Resize images to different dimensions with aspect ratio preservation, multiple output formats, and batch processing capabilities. Essential tool for web developers, designers, and content creators.

Encode and decode URLs, special characters, and HTML entities with support for multiple encoding standards. Essential tool for web developers, system administrators, and anyone working with URL encoding.

Validate emails, phone numbers, credit cards, postal codes, and more with comprehensive validation rules and error reporting. Essential tool for developers, data analysts, and form validation.

Anonymize, shuffle, and mask sensitive data while preserving structure and relationships. Essential tool for data scientists, researchers, and anyone working with sensitive data that needs anonymization.

Solve expressions and round to significant figures. Counts sig figs, applies add/sub decimals rule, supports log and ln.

Convert WebP images to JPEG format with adjustable quality, batch processing, and metadata preservation. Perfect for web developers and content creators needing universal image compatibility.

Convert SVG files to PNG, JPEG, or JPG format with customizable dimensions, quality settings, and background options. Perfect for web developers and designers.

Encode images to Base64 format or decode Base64 strings to images with compression, optimization, and multiple output formats. Perfect for web development and data URIs.

Generate SEO-friendly URL slugs from any text with advanced customization options including separators, case styles, and stop word removal. Perfect for web development and content management.

Decode and inspect JSON Web Tokens with comprehensive analysis including header, payload, signature, and security validation. Essential tool for developers debugging authentication and API security.

Extract text content from PDF files with high accuracy. Convert PDF documents to editable text format while preserving formatting and structure.

Count pages, get file information, and analyze PDF documents. View metadata, file size, and page count for any PDF file.

Combine multiple PDF files into a single document. Merge PDFs in any order, reorder pages, and create unified documents from multiple sources.

Split PDF documents by pages or sections. Extract specific pages, split by page ranges, or divide large PDFs into smaller manageable files.

Reduce PDF file size while maintaining quality. Compress large PDFs for easier sharing, storage, and faster uploads without losing readability.

Convert PDF pages to high-quality images in various formats

Edit PDF document properties including title, author, subject, keywords, creator, and producer information

Remove specific pages or page ranges from PDF documents with preview functionality

Reorder PDF pages with drag-and-drop interface and visual page preview

Rotate PDF pages by 90°, 180°, or 270° to fix orientation issues

Add text or image watermarks to PDF documents with customizable positioning and opacity

Test your clicks per second (CPS) over various durations. Visualize CPS over time with a chart and keep your local history.

Generate and manage color palettes with color theory and accessibility checks.

Create beautiful CSS gradients with visual editor and export CSS.

Countdown and stopwatch with laps and quick presets.

Date differences, age, business days, add/subtract dates.

Find meeting times across timezones with DST support.

Visualize overlapping working hours across timezones.

Build clean UTM campaign URLs with validation and QR export.