Free Online Utilities,
Free AI Tools &
Developer Tools

Prettify, format, and validate JSON payloads with custom indentations and key sorting.

Validate JSON syntax, locate exact error lines/columns, and view structural summaries.

Compress JSON files by stripping unnecessary whitespace and line breaks.

Encode plain text strings into standard Base64 format with full UTF-8 support.

Decode Base64 encoded strings back into clean UTF-8 readable text.

Convert string parameters into RFC 3986 percent-encoded URI component format.

Decode percent-encoded URL parameters back into readable plain text.

Decode and inspect JSON Web Tokens (JWT) headers, claims payload, and expiration status.

Generate RFC4122 v4 Universally Unique Identifiers (UUIDs) in bulk.

Generate cryptographic SHA-256, SHA-384, SHA-512, and SHA-1 hash digests.

Professional client-side image editing workspace with canvas adjustments, filters, and background removal.

Remove image backgrounds instantly with AI precision directly in your browser.

Compress JPG, PNG, and WebP images with custom quality settings to reduce file size.

Resize images by pixels or percentage while maintaining aspect ratio and sharpness.

Crop images to custom aspect ratios, social media presets, or freeform bounds.

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

Convert JPG and JPEG photos into lossless PNG format with transparency support.

Convert PNG images to compact JPG format with customizable quality compression.

Convert PNG images to modern lightweight WebP format for fast web delivery.

Convert WebP images to JPG/PNG or encode other graphics formats into WebP.

Combine multiple PDF documents into a single organized file.

Split PDF into individual pages or extract custom page ranges.

Shrink PDF file size while maintaining crisp readability.

Convert PDF pages into high-resolution JPG or PNG images.

Convert any images (JPG, PNG, WebP, etc.) into a unified PDF document.

Convert PDF documents into editable Word (.docx) files.

Convert Word DOCX and DOC files to print-ready PDF.

Unlock password-protected and restricted PDF documents.

Add password protection and permissions encryption to PDF files.

Live real-time word counter, character analytics, reading duration estimates, and keyword density.

Track character limits, letters, numbers, spaces, and punctuation in real-time.

Switch strings between UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, and more.

Calculate percentages, fraction ratios, percentage increases/decreases, and relative differences.

Desktop-grade scientific math engine supporting trigonometry, logarithms, powers, factorials, and constants.

Calculate exact age in years, months, days, total weeks/hours, and days remaining until your next birthday.

Calculate Body Mass Index (BMI), health weight category, and ideal healthy weight ranges.

Estimate monthly mortgage & loan payments, total interest payable, and annual amortization breakdowns.

Calculate elapsed time between two dates in years, months, days, business days, and total hours.

Add or subtract hours, minutes, and seconds, or convert total seconds to HH:MM:SS format.

Convert physical quantities across Length, Weight, Temperature, Area, Volume, Speed, and Data Storage.

Generate concise page titles optimized for search snippets and click-through rates.

Craft search engine meta descriptions designed to summarize page value and improve click-throughs.

Analyze term frequencies, keyword density ratios, and repeated phrase patterns across content.

Calculate keyword frequencies, word counts, and reading metrics for SEO content.

Convert titles and article headlines into clean, keyword-friendly URL slugs.

Generate clean, valid robots.txt directives to guide search engine web crawlers.

Build standards-compliant XML sitemaps to help search engines index website structure.

Generate valid JSON-LD structured data markup for Organizations, Articles, Products, and FAQs.

Enhance clarity, vocabulary, grammar, and readability while preserving core meaning.

Condense long documents, articles, and essays into clear paragraphs or bullet takeaways.

Paraphrase and rephrase text for different target audiences, tones, and publishing channels.

Generate high-converting headlines and page titles for Articles, YouTube, Blogs, and Products.

Craft search engine meta descriptions tailored to click-through rates and search intent.

Convert values across major world currencies using verified reference exchange rates.

Translate colors instantly between HEX, RGB, HSL, CMYK, and CSS styles.