All Tools

Beautify, minify and validate JSON with configurable indentation — instantly, in your browser.

Encode text to Base64 or decode Base64 back to text, with full UTF-8 (emoji) support.

Percent-encode or decode URLs and query strings using encodeURIComponent or encodeURI.

Escape HTML special characters to entities, or decode named and numeric entities back to text.

Decode a JSON Web Token to inspect its header, payload and claims — entirely offline.

Generate MD5, SHA-1, SHA-256, SHA-512, SHA-3 and RIPEMD-160 hashes of any text, live as you type.

Generate one or thousands of RFC 4122 version-4 UUIDs, with optional uppercase and hyphen control.

Create compact, URL-safe unique IDs with a custom length and alphabet.

Generate strong, random passwords with a live strength meter — built on crypto-grade randomness.

Generate placeholder paragraphs, sentences or words for mockups and designs.

Convert between Unix timestamps and human dates, with a live clock and relative time.

Convert text between camelCase, snake_case, kebab-case, Title Case and 6 more styles.

Convert colors between HEX, RGB and HSL with a live swatch and color picker.

Test JavaScript regular expressions against sample text with live highlighting and capture groups.

Design linear and radial CSS gradients visually and copy the ready-to-use code.

Visually craft CSS box-shadows with offset, blur, spread, color and inset controls.

Compare two blocks of text line by line and see exactly what was added or removed.

Generate customizable QR codes for URLs, text or Wi-Fi and download them as PNG.

Turn titles into clean, SEO-friendly URL slugs — one line at a time or in bulk.

Convert numbers between binary, octal, decimal and hexadecimal with arbitrary precision.

Convert YAML to formatted JSON instantly in your browser.

Convert JSON into clean, readable YAML.

Beautify, minify and validate XML in your browser.

Convert CSV to a JSON array of objects, with type detection.

Convert a JSON array of objects into CSV, with proper escaping.

Translate a cron expression into plain English.

Generate shades, tints and harmonies (analogous, triadic…) from a base color.

Check text/background contrast ratio against WCAG AA and AAA.

Visually craft border-radius (per-corner) and copy the CSS.

Generate fluid, responsive clamp() values for typography and spacing.

Turn JSON into TypeScript interfaces automatically.

Break a URL into protocol, host, path, query params and more.

Escape or unescape strings for JSON, JavaScript, HTML, URL or backslash.

Beautify or minify HTML in your browser.

Beautify or minify CSS in your browser.

Beautify and indent minified or messy JavaScript.

Format and prettify SQL queries with proper keywords and indentation.

Convert Markdown to HTML with a live preview.

Shrink SVG files by stripping comments and redundant whitespace.

Explore JSON as a collapsible, color-coded tree.

Generate an HMAC (SHA-256, SHA-512, MD5…) from a message and secret key.

Convert JSON into well-formed XML with a custom root element.

Build an HTTP Basic Authorization header from a username and password.

Visually build a flex layout and copy the CSS — direction, justify, align, wrap, gap.

Design a frosted-glass card and copy the backdrop-filter CSS.

Craft a CSS text-shadow with offset, blur and color, and copy the code.

Compute a file's SHA-256, SHA-1, SHA-512 or MD5 checksum and verify downloads.

Encrypt or decrypt text with a password using AES — entirely in your browser.

Compare two JSON documents and see added, removed and changed values by path.

Resize dimensions while keeping the aspect ratio, with common presets.

Build a cron schedule visually and copy the expression, with plain-English output.

Visually build a CSS grid layout and copy the code.

Create CSS keyframe animations with a live preview and copyable code.

Design custom easing curves and copy the cubic-bezier() value.

Fill a grid and get a ready-to-paste Markdown table.

Generate sortable, unique ULIDs — a timestamp-ordered alternative to UUIDs.

Calculate network, broadcast, mask and host range from an IP and CIDR.

Parse a User-Agent string into browser, OS, device and engine.

Test any REST API from your browser — set method, params, headers, auth and body, and inspect the response.

Create a QR code that lets people join your WiFi by scanning — no typing the password.

Generate a QR code that adds your contact details to a phone when scanned.

Paste a cURL command and get equivalent JavaScript fetch, Axios or Python code.

Search and look up what every HTTP status code means (200, 301, 404, 500…).

Find the correct MIME type (Content-Type) for any file extension.

Convert between px and rem/em for any root font size, with a reference table.

Design soft-UI neumorphic shadows and copy the CSS, with flat, concave, convex and pressed styles.

Scan code, .env files or logs for accidentally exposed API keys, tokens and credentials.

Compare two .env files and find variables that are missing, extra or have different values.

See the next scheduled run times for a cron expression in your local timezone.

Paste a timestamp and auto-detect whether it's seconds, ms, µs or ns, then decode the date.

Generate an HMAC signature for a webhook payload (GitHub/Stripe-style verification).

Explain a CORS problem: enter your frontend and API URLs to see exactly which headers the server needs.

Combine multiple PDF files into one, in any order.

Extract specific pages or ranges from a PDF into a new file.

Remove unwanted pages from a PDF and download the rest.

Rotate all or selected pages of a PDF by 90°, 180° or 270°.

Combine JPG and PNG images into a single PDF document.

Stamp page numbers onto a PDF in the position you choose.

View and edit a PDF's title, author, subject and keywords.

Add text, fill forms and sign PDFs right in your browser, then download.

Edit the existing text in a PDF: click any text to change it, then export.

Convert each PDF page to a PNG or JPG image, at your chosen quality.

Pull all the selectable text out of a PDF, page by page.

Stamp a diagonal text watermark across every page of a PDF.

Rearrange the pages of a PDF and download the reordered file.

Compress JPG, PNG and WebP images in your browser with a quality slider.

Resize images by pixels or percentage with aspect-ratio lock.

Convert images between JPG, PNG and WebP formats.

Rotate and flip images and download the result.

Apply brightness, contrast, saturation, grayscale, sepia, blur and more.

Add classic top and bottom text to any image to make a meme.

Add a text watermark to images with position, size and opacity control.

Crop images to popular aspect ratios like 1:1, 16:9 and 9:16.

Pick HEX and RGB colors from any point in an uploaded image.

Convert an image to a Base64 data URI with ready HTML and CSS snippets.

Generate favicon PNGs in all standard sizes from one image.

See an image's dimensions, aspect ratio, size, type and orientation.

Extract text from images and screenshots with OCR — in 13+ languages.

Convert SVG markup or files to high-resolution PNG at any scale.

Draw your signature and download it as a transparent PNG.

Pull the dominant color palette from any image, with copyable HEX codes.

Turn any image into text-based ASCII art you can copy.

Strip EXIF, GPS and camera metadata from a photo for privacy.

Decode a Base64 string or data URI back into a downloadable image.

Crop any image into a circle with a transparent background.

Pixelate a photo to censor faces or details, or for a retro effect.

Combine 2–4 photos into a clean grid collage and download it.

Crop your photo to official passport and visa sizes (US, UK, Schengen and more) and download it.

Compress video (H.264) to a smaller file, right in your browser.

Convert video between MP4, WebM and MKV in your browser.

Turn a clip of a video into an animated GIF.

Cut a video to a start and end time without re-encoding.

Pull the audio track out of a video as MP3, M4A or WAV.

Remove the audio track from a video.

Merge, trim and reorder clips, add a title and music, and export one MP4.

Record your screen, window or tab (with audio) and download a WebM video.

Convert text to spoken audio using your device's built-in voices.

Dictate with your microphone and get a live transcript.

Play a pure tone at any frequency and waveform (Web Audio).

A precise online metronome with adjustable tempo and time signature.

Convert audio between MP3, WAV, M4A and OGG in your browser.

Cut and trim an audio clip to a start and end time, export MP3.

Record audio from your microphone and download it — no install needed.

Summarize any article, email or notes into bullets or a short paragraph with AI.

Describe your email and let AI write a polished, well-structured draft.

Rewrite, paraphrase, fix grammar or change the tone of any text with AI.

Translate text into any language naturally with AI.

Generate blog titles, video ideas, hooks and captions from a topic with AI.

Snap a photo of any homework problem and get an instant step-by-step solution.

Write a clear, well-structured paragraph about any topic with AI.

Generate a structured essay on any topic with an intro, body and conclusion.

Write a complete, ready-to-edit blog post from a title or topic.

Generate a structured outline with headings for your blog post.

Create a short story from a genre and premise with AI.

Write a poem on any theme in the style you choose.

Generate original song lyrics from a theme and genre.

Generate catchy slogans and taglines for your brand or product.

Brainstorm brandable business and startup names by industry and keywords.

Create attention-grabbing headlines for articles, ads and pages.

Write persuasive e-commerce product descriptions from features.

Generate high-converting ad copy for Google, Facebook and more.

Turn your idea into a concise, compelling elevator pitch.

Craft a clear mission statement for your company or project.

Write engaging Instagram captions with the right tone and emojis.

Generate punchy tweets and X posts on any topic.

Write professional, engaging LinkedIn posts that get noticed.

Generate click-worthy YouTube titles for your videos.

Write an optimized YouTube video description with keywords.

Generate a short video script with a hook, body and call to action.

Generate relevant, mixed-reach hashtags for your posts with AI.

Write concise cold outreach emails that get replies.

Draft a smart reply to any email or message in your chosen tone.

Write professional replies to customer reviews, good or bad.

Write warm, personalized thank-you notes for any occasion.

Write a sincere apology letter or message for any situation.

Generate a professional, graceful resignation letter.

Create personalized birthday messages and wishes.

Write a tailored cover letter for a specific job in seconds.

Generate a strong professional summary for the top of your CV.

Write a professional or social bio in first or third person.

Generate likely interview questions for any role.

Get a strong sample answer to any interview question.

Get any topic explained clearly and simply by AI.

Get complex topics explained as if to a five-year-old.

Turn any topic into concise, organized study notes.

Generate a quiz with questions and answers on any topic.

Create question-and-answer flashcards for studying any subject.

Explain a concept with a memorable analogy or metaphor.

Paste code and get a clear, line-by-line explanation.

Describe what you need and get working code in your language.

Describe a pattern in plain English and get the regex.

Turn a plain-English request into a SQL query.

Describe a calculation and get the Excel or Google Sheets formula.

Generate realistic sample JSON data from a description.

Turn a description of your changes into a clean commit message.

Write an SEO meta description within the ideal length.

Generate SEO keyword ideas and long-tail phrases for a topic.

Generate a set of FAQs with answers for any product or topic.

Rewrite any text to match a different tone or style.

Turn short notes or bullet points into full, flowing prose.

Fix grammar, spelling and punctuation in your text instantly.

Get a balanced list of pros and cons for any decision or topic.

Get a recipe from the ingredients you have on hand.

Generate a personalized daily or weekly meal plan.

Create a workout plan for your goal, days and equipment.

Get thoughtful gift ideas for anyone and any occasion.

Generate original motivational quotes on any theme.

Brainstorm startup and business ideas in any industry.

Type any equation or math word problem and get a step-by-step solution.

Paste a SQL query and get a plain-English explanation of what it does.

Paste a regular expression and get a plain-English breakdown of every part.

Describe what you want to do in Git and get the exact, safe commands.

Paste a merge conflict and get a clear explanation of what each side changed.

Paste a Dockerfile and get suggestions to cut image size, speed builds and improve security.

Paste an Nginx config and get help spotting proxy, SSL and routing problems.

Paste a MongoDB query or aggregation and get a plain-English explanation.

Paste a GraphQL query to analyze its depth, complexity and potential issues.

Generate SEO meta tags — title, description, keywords, robots and viewport.

Create Open Graph (og:) tags with a live social-share preview.

Generate Twitter/X card meta tags for rich link previews.

Build a robots.txt file to control search-engine crawling.

Generate JSON-LD structured data for Organization, Article, Product and FAQ.

Analyze 1-, 2- and 3-word keyword density in your content.

Preview how your page appears in Google results, with length warnings.

Score text with Flesch Reading Ease and Flesch-Kincaid grade level.

Extract an H1–H6 outline from HTML and flag structure issues.

Build trackable campaign URLs with UTM parameters.

Turn a list of URLs into a valid XML sitemap for search engines.

Mix keyword lists into every combination, with match-type wrapping.

Count words, characters, sentences, paragraphs and reading time as you type.

Count characters with and without spaces, with limits for Twitter, meta tags and more.

Estimate how long text takes to read or speak at a chosen words-per-minute pace.

Delete duplicate lines from a list, with optional case-insensitive matching.

Strip blank and whitespace-only lines from text in one click.

Sort lines alphabetically, by length, numerically, reversed or shuffled.

Bulk find and replace text with case-insensitive and regex options.

Reverse characters, word order, or line order of any text.

Collapse repeated spaces and tabs, trim lines and tidy up messy text.

Strip line breaks from text, with an option to keep paragraph spacing.

Prefix every line with a number, with custom start, separator and padding.

Repeat any text a set number of times, with an optional separator.

See which words appear most often, with counts and a frequency bar chart.

Translate text to Morse code and decode Morse back to text.

Encode and decode text with a Caesar shift cipher (including ROT13).

Turn text into dozens of Unicode fonts — bold, italic, script, bubble and more.

Strip accents and diacritics (café → cafe) to plain ASCII letters.

Convert headings to proper title case in AP or Chicago style.

Bold the start of each word to help you read faster, and copy the HTML.

Convert text to binary and binary back to text, with full UTF-8 support.

Generate random nouns, adjectives, verbs or mixed words on demand.

Check whether a word or phrase reads the same forwards and backwards.

Pull all email addresses out of any text, de-duplicated and ready to copy.

Translate English text into Pig Latin instantly.

Convert text into leetspeak, swapping letters for look-alike numbers and symbols.

Generate references in APA, MLA or Chicago style for websites, books and journals.

Pull all links out of any block of text, de-duplicated and ready to copy.

Flip your text upside down with Unicode look-alike characters.

Create creepy, glitchy Zalgo text with adjustable intensity.

Calculate monthly loan payments, total interest and a full amortization schedule.

Estimate your monthly mortgage payment including principal, interest, property tax and insurance.

Compute your Equated Monthly Installment (EMI) with a principal-vs-interest breakdown.

See how savings grow with compound interest and regular contributions over time.

Calculate simple interest and the total amount from principal, rate and time.

Project investment growth with monthly contributions and see your total ROI.

Find out how much to save each month to reach a financial goal by a target date.

Project your retirement nest egg and sustainable annual income using the 4% rule.

Add or remove VAT at any rate and see the net, VAT and gross amounts.

Add sales tax to a price and see the tax amount and final total.

Calculate the tip and split the bill evenly between any number of people.

Work out the sale price and how much you save from a percentage discount.

Convert pay between hourly, daily, weekly, monthly and annual amounts.

See how inflation changes the future cost and buying power of money over time.

See a full year-by-year breakdown of loan payments, interest and balance.

Find out how long to clear your credit card and the total interest you'll pay.

Add up your assets and subtract debts to see your total net worth.

Convert between 15+ world currencies with editable, offline-friendly rates.

Estimate how long it takes an investment to double, or the rate needed to double it.

Calculate your Body Mass Index and see your weight category on a visual scale.

Find your Basal Metabolic Rate — the calories your body burns at complete rest.

Estimate your daily calorie needs (TDEE) plus targets for losing or gaining weight.

Estimate your body fat percentage using the U.S. Navy circumference method.

See your ideal body weight from four classic formulas (Devine, Robinson, Miller, Hamwi).

Split your daily calories into protein, carbs and fat for balanced, keto and other diets.

Find out how much water to drink each day based on your weight and activity.

Calculate your max heart rate and the five training zones using the Karvonen method.

Calculate running pace, finish time or distance — with 5K, 10K and marathon presets.

Estimate your due date, conception date and current pregnancy week from your last period.

Estimate your ovulation day and fertile window based on your menstrual cycle.

Find the best bedtimes or wake-up times based on 90-minute sleep cycles.

Estimate calories burned during 16+ activities using MET values, weight and duration.

Calculate your waist-to-hip ratio and see the associated health-risk category.

Estimate your blood alcohol content from drinks, weight and time.

Convert your step count into calories burned and distance walked.

Estimate your one-rep max from weight and reps, with training percentage breakdowns.

Calculate your grade point average from course grades and credit hours.

Combine semester GPAs into a cumulative CGPA weighted by credits.

Convert marks scored and total marks into a percentage and letter grade.

Find the exam score you need to reach your target course grade.

Compute a weighted average from assignment grades and their weights.

Work out your attendance % and how many classes you can miss or must attend.

Find the mean, median, mode, range and standard deviation of a set of numbers.

Simplify ratios and solve proportions (A:B = C:D).

Convert numbers to Roman numerals and back (1–3999).

Spell out numbers in words, including decimals and negatives.

Turn questions and wrong answers into a score, percentage and letter grade.

Convert between decimal numbers and scientific (E) notation.

Add, subtract, multiply and divide fractions and get a simplified answer.

Find the greatest common divisor and least common multiple of any numbers.

Build, edit and preview math equations with a symbol palette, then copy the LaTeX.

A WYSIWYG math editor: type equations visually, handwrite or snap a photo, then copy as LaTeX or MathML.

Calculate the factorial (n!) of any number with exact big-integer precision.

Check whether a number is prime, and get its prime factorization if not.

Calculate permutations (nPr) and combinations (nCr) for n and r.

Solve any quadratic ax²+bx+c=0 for real or complex roots, with the discriminant.

Create a clean, printable invoice with line items, tax and totals.

Calculate profit, profit margin and markup from cost and selling price.

Turn cost and markup % into a selling price, profit and margin.

Find how many units you must sell to cover fixed and variable costs.

Calculate return on investment, net gain and annualized ROI.

Work out commission earned and total pay from sales and rate.

Find the hourly rate you need to hit your income goal.

Calculate compound annual growth rate between two values over time.

Calculate Stripe, PayPal and Square fees and what you'll actually receive.

Estimate customer lifetime value (CLV) from spend, frequency and margin.

Calculate average order value (AOV) from revenue and order count.

Create bar, line, pie and more charts from your data and export a PNG.

Convert a JSON array of objects into a downloadable .xlsx file.

Write with Markdown and export a real .docx Word file.

Convert Excel/CSV spreadsheets to JSON — choose the sheet, copy the result.

Convert Excel workbooks to CSV, one sheet at a time.

Turn CSV data into a downloadable .xlsx Excel workbook.

Build a professional CV from your details with modern, classic and minimal templates, and export a PDF.

See what a meeting really costs in salaries, with a live cost meter.

Design a clean business card and export a print-ready PDF.

Calculate social media engagement rate by followers or reach.

Turn keywords into dozens of relevant hashtags for your posts.

Check your caption length against every major platform's limit at once.

Estimate YouTube ad revenue from views and RPM.

Generate catchy, available-looking usernames from your name or keyword.

Split long text into numbered posts that fit the character limit.

Calculate CPM, ad cost or impressions for advertising campaigns.

Browse and copy emojis by category with one click.

Up-to-date image dimensions for every major social platform.

Grab any YouTube video's thumbnail in HD, SD and more from its URL.

Estimate TikTok creator-fund earnings and brand-deal value from your stats.

Plan a full travel budget across flights, hotels, food and activities.

Estimate the fuel cost of a trip and split it between passengers.

See the current time across major cities around the world, live.

Convert a time from one zone to cities around the world.

Calculate the great-circle distance between two coordinates.

Generate a smart, checkable packing list by trip type and length.

Split shared trip costs fairly and see who owes whom.

Solve for speed, distance or travel time from the other two.

Count down the days, hours and minutes to your next trip.

Calculate your exact age in years, months and days — plus total weeks, hours and your next birthday.

Find the number of days, weeks, weekdays and weekend days between any two dates.

Work out percentages three ways: X% of Y, X is what % of Y, and percentage change.

Convert length, weight, temperature, volume, area, speed and data units instantly.

Flip a virtual coin for a fair heads-or-tails decision, with a running tally.

Roll 1–20 dice with 4 to 100 sides and get an instant total — great for tabletop games.

Generate random numbers in any range, with optional no-repeats for draws and lotteries.

Pick a random winner from a list of names — perfect for giveaways and classrooms.

Split a list of people into balanced random teams by team count or team size.

Spin a colorful wheel of fortune to randomly pick one of your options.

Set a countdown timer for any duration with pause, resume and a time's-up alert.

An online stopwatch with lap times, accurate to a hundredth of a second.

Generate a clean, printable monthly calendar for any month and year.

Create barcodes in CODE128, EAN, UPC and more formats, and download as SVG.

Scan QR codes with your camera or from an image, right in the browser.

Test a password's strength, entropy and estimated time to crack — privately.

Spell any text in the NATO phonetic alphabet (Alfa, Bravo, Charlie…).

A focus timer with work/break cycles, custom lengths and a chime.

A full scientific calculator with trig, logs, powers and constants.

Calculate the hours and minutes between two times, including overnight.

Add up weekly work hours with breaks and calculate your pay.

A simple, private to-do list that saves in your browser and works offline.

Find what day of the week any date falls on — past or future.

Check if any year is a leap year, with the previous and next leap years.

Find your Western star sign and Chinese zodiac animal from your birth date.

Convert length and distance between metric and imperial units — cm, m, km, inches, feet, miles.

Convert weight and mass between kg, grams, pounds, ounces, stone and tonnes.

Convert temperature between Celsius, Fahrenheit and Kelvin.

Convert area between square meters, square feet, acres, hectares and more.

Convert volume between liters, milliliters, gallons, cups, pints and more.

Convert speed between km/h, mph, m/s, knots and feet per second.

Convert time between seconds, minutes, hours, days, weeks, months and years.

Convert digital storage between bytes, KB, MB, GB, TB and binary units (KiB, MiB, GiB).

Convert pressure between pascals, bar, psi, atmospheres and mmHg.

Convert energy between joules, calories, kWh, BTU and more.

Convert power between watts, kilowatts, horsepower and BTU/hour.

Convert angles between degrees, radians, gradians and more.

Convert data transfer speed between bps, Mbps, Gbps and MB/s.

Convert frequency between hertz, kHz, MHz, GHz and RPM.

Calculate your Zakat (2.5%) on cash, gold, silver, business assets and savings.

Calculate Zakat on gold and silver by tola or gram at today's rate.

Calculate salaried income tax using FBR slabs (Tax Year 2025–26).

Estimate monthly car financing installments, markup and total payable.

Estimate the fuel cost of a trip in PKR and split it between passengers.

Estimate your monthly electricity bill from units using slab rates + GST.

Convert PKR to and from USD, GBP, EUR, AED, SAR and more with editable rates.