45 free online tools — all processing happens in your browser.
Determine exact chronological spans in years, months, and days based on specific dates.
Instantly translate Base64 encoded strings back into readable text or downloadable files.
Safely encode text strings or binary files into Base64 format for web transmission.
Calculate your Body Mass Index (BMI) using metric (kg/cm) or imperial (lbs/ft/in) units. Check your official WHO weight category and healthy weight range.
Instantly transform text formatting between uppercase, lowercase, title case, and more.
Monitor strict text boundaries by tracking character counts with and without spaces.
Calculate investment growth with compound interest. Supports regular contributions, multiple compounding frequencies, and a year-by-year growth breakdown.
Reduce the file size of your PDF documents quickly while maintaining high quality.
Crop images precisely, reframe photos, and remove unwanted areas directly in your browser.
Convert CSV data into structured JSON format instantly in your browser. Supports custom delimiters, quoted fields, and large files.
Calculate percentage discounts, percent off, sale prices, savings, and discount amounts instantly. Enter the original and sale price to find the exact discount percentage.
Selectively pull specific pages from a PDF to construct a new, refined document.
Capture complete web pages and HTML code into static, perfectly rendered PDF documents for offline viewing.
Reduce image file sizes instantly in your browser without noticeable quality loss.
Resize images to custom pixel dimensions while preserving proportions and processing everything directly in your browser.
Convert JPG, PNG, WebP, and other images into a single PDF document. Upload multiple images, drag to reorder, and download your PDF — free, instant, and private.
Convert JPG and JPEG images into a single PDF document instantly. Upload one or multiple images, arrange them in any order, and download your PDF — free, fast, and private.
Transform JPG files into PNG format to prepare for transparent background editing.
Prettify, minify, and debug JSON payloads with syntax highlighting and structural validation.
Convert JSON arrays of objects into CSV format instantly in your browser. Handles missing properties, nested values, and mixed types.
Validate JSON syntax instantly and pinpoint structural errors with exact line-number precision.
Calculate profit margin, markup, selling price, and maximum cost. Understand the difference between margin and markup instantly.
Combine multiple PDF documents into a single contiguous file effortlessly.
Construct optimized HTML metadata to improve your website's search engine visibility.
Construct rich social media previews by generating perfect Open Graph HTML tags.
Create cryptographically secure, random passwords customized to your exact requirements.
Edit PDF files online for free. Add text, signatures, freehand drawings, shapes, and whiteout redactions directly in your browser.
Convert PDF pages into high-quality PNG or JPG images. Select specific pages, choose your resolution, and download all images as a ZIP file — free and private.
Convert PDF pages into high-quality JPG images. Select specific pages or export every page, then download all images as a ZIP file — free, instant, and fully private.
Extract text, tables, and layouts from static PDFs back into fully editable Microsoft Word documents.
Solve complex proportional math, calculate discounts, and find ratio differences instantly.
Convert PNG images to JPG format to reduce file sizes for web usage.
Clean up disorganized data by automatically deleting repeated strings from your lists.
Standardize text formatting by eliminating double spaces and trailing whitespace.
Rearrange the page sequence of your PDF documents with an intuitive drag-and-drop interface.
Alter the physical page dimensions and aspect ratios of your documents to meet precise printing or display standards.
Manage search engine crawling behavior by constructing an optimized robots.txt file.
Correct photo orientation by rotating or mirroring visual assets horizontally and vertically.
Permanently correct the orientation of specific pages or entire PDF documents.
Instantly convert text strings into clean, SEO-friendly URL slugs.
Extract distinct sections or individual pages from a larger PDF document instantly.
Highlight additions, deletions, and edits by comparing two text files side-by-side.
Generate RFC 4122 compliant Universally Unique Identifiers instantly in your browser.
Track document length by calculating word, sentence, and paragraph density instantly.
Lock in your formatting and fonts by transforming your Microsoft Word documents into stable PDFs.