Free Online Utility Tools
68 free, browser-based tools — PDF conversion, image editing, AI writing, calculators, developer utilities, and text processing. No sign-up, nothing leaves your device.
AI Tools
Humanize AI text, paraphrase writing, fix grammar, summarize documents, generate titles, and compose emails using GPT-4o.
- AI ParaphraserRewrite any text using different words and sentence structures while preserving the original meaning.
- AI Grammar FixerFix all grammar, spelling, punctuation, and style errors using AI — including errors basic spell-checkers miss.
- AI SummarizerCondense long articles, reports, essays, or any text into a concise summary that captures the key points.
- AI Title GeneratorGenerate 8 compelling, click-worthy headlines for any topic — listicles, how-tos, questions, and curiosity-gap titles.
- AI Email WriterCompose complete professional emails from a short description — subject line, greeting, body, CTA, and sign-off included.
PDF Tools
Convert, merge, compress, split, rotate, watermark, and sign PDF documents entirely in your browser — no files ever leave your device.
Image Tools
Convert formats, compress file sizes, resize, upscale, create memes, and remove backgrounds — all client-side.
- Image ConverterConvert images between JPG, PNG, and WebP formats with adjustable quality control.
- Image CompressorReduce image file size with a quality slider, showing exact KB saved before you download.
- Background RemoverAI-powered background removal that outputs a clean transparent PNG in seconds.
- Image ResizerResize images to exact pixel dimensions with aspect ratio lock and social media presets.
- Meme GeneratorAdd bold top and bottom text to any image, just like a classic internet meme. Download as PNG.
- Image UpscalerEnlarge images to 2×, 3×, or 4× their original size using high-quality canvas interpolation.
- PNG to JPGConvert PNG images to JPEG format with a quality slider. Transparent backgrounds filled with white.
- JPG to PNGConvert JPEG images to lossless PNG format for sharp logos, icons, and screenshots.
- WebP ConverterConvert JPG and PNG images to WebP format — 25–35% smaller than JPEG at the same visual quality.
- Image to PDFCombine JPG and PNG images into a single PDF, one image per page. Reorder, choose page size, and download.
- Image CropperCrop any image to a custom region or fixed aspect ratio and download it as PNG or JPG — all in your browser.
- Background ChangerRemove a photo's background and replace it with a solid colour or your own background image.
Generator Tools
Create QR codes, shorten long URLs, and generate cryptographically strong passwords in seconds.
- QR Code GeneratorGenerate scannable QR codes for URLs, plain text, email addresses, phone numbers, or Wi-Fi credentials.
- URL ShortenerTurn any long URL into a short, shareable link with optional custom slug and click tracking.
- Password GeneratorGenerate cryptographically strong passwords using crypto.getRandomValues() — never Math.random().
- CSS Gradient GeneratorCreate linear and radial CSS gradients visually and copy the code, with a live preview.
- Box Shadow GeneratorGenerate CSS box-shadow code visually with a live preview — offset, blur, spread, colour, and inset.
Developer Tools
Format JSON and SQL, decode JWTs, minify HTML/CSS, generate UUIDs, preview Markdown, and diff code side by side.
- JSON FormatterPrettify, minify, and validate JSON with inline error highlighting and configurable indentation.
- Base64 Encoder/DecoderEncode text or files to Base64 and decode Base64 strings back to their original content.
- Regex TesterTest regular expressions against sample text with real-time match highlighting and a built-in cheatsheet.
- Code Diff CheckerCompare two versions of code or text side by side with added and removed lines highlighted.
- JWT DecoderDecode JSON Web Tokens to reveal the header, payload, and claims — instantly in your browser.
- SQL FormatterFormat and prettify SQL queries with proper indentation, keyword casing, and line breaks.
- HTML MinifierRemove whitespace, comments, and blank lines from HTML to reduce file size for production.
- CSS MinifierMinify CSS stylesheets by removing comments, whitespace, and redundant characters.
- UUID GeneratorGenerate cryptographically random v4 UUIDs using crypto.randomUUID() — never Math.random().
- Markdown PreviewerWrite Markdown and see a live HTML preview side by side. Supports tables, code blocks, and more.
- Hash GeneratorGenerate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text instantly in your browser.
- Timestamp ConverterConvert Unix epoch timestamps to human-readable dates and back. Supports seconds and milliseconds.
- URL Encoder / DecoderPercent-encode text for safe use in URLs and query strings, or decode encoded URLs back to readable text.
- CSV to JSON ConverterConvert CSV data into a JSON array of objects. Handles quoted fields, custom delimiters, and number casting.
- Color ConverterConvert colors between HEX, RGB, and HSL formats with a live preview. Pick or type any value.
- Number Base ConverterConvert numbers between binary, octal, decimal, and hexadecimal instantly. Powered by BigInt for large values.
Text Tools
Analyse writing stats, convert text case, generate lorem ipsum, and create disposable email addresses.
- Word CounterGet a complete text analysis: word count, characters, sentences, paragraphs, reading time, and keyword density.
- Case ConverterInstantly convert text between 11 case formats simultaneously — all results visible on one screen.
- Lorem Ipsum GeneratorGenerate classic or randomised placeholder text by paragraphs, sentences, or word count for design mockups.
- Text CleanerRemove extra spaces, blank lines, line breaks, and special characters from messy text in one click.
- Slug GeneratorTurn any title into a clean, SEO-friendly URL slug. Removes accents and special characters automatically.
- Find and ReplaceFind and replace all occurrences of text, with optional case-insensitive matching and regular expressions.
- Remove Duplicate LinesRemove duplicate lines from a list, with options to ignore case, trim whitespace, and drop blank lines.
- Sort Text LinesSort lines of text alphabetically or numerically, ascending or descending, with optional de-duplication.
Calculators
Work out percentages, age, BMI, loan repayments, discounts, and convert between units — fast, free, and private.
- Percentage CalculatorCalculate what is X% of Y, what percent X is of Y, and the percentage increase or decrease between two numbers.
- Age CalculatorCalculate exact age in years, months, and days between any two dates, with a next-birthday countdown.
- BMI CalculatorCalculate your Body Mass Index in metric or imperial units and see your weight category instantly.
- Loan / EMI CalculatorCalculate your monthly loan repayment (EMI), total interest, and total cost for any amount, rate, and term.
- Discount CalculatorCalculate the sale price after a percentage discount, how much you save, and the final total with tax.
- Unit ConverterConvert length, weight, temperature, area, volume, and speed between metric and imperial units instantly.
- Tip CalculatorCalculate the tip and total for any bill, then split it evenly between any number of people.
- Compound Interest CalculatorSee how savings and investments grow with compound interest, including regular monthly contributions.
- Date Duration CalculatorCalculate the exact number of days, weeks, and months between two dates.
Viral Tools
Generate invoices, build resumes, create fake chat screenshots, design bio link pages, and test your typing speed.