PDF tools first.Everything else, neatly organized.
Start with our flagship PDF suite, or scroll to the section that matches the work you need to finish.
Everything PDF, beautifully simple.
Merge, split, organize, rotate, crop, number, watermark, and convert documents in focused workspaces designed around the file in front of you.
Organize PDF
Reorder, rotate, duplicate, delete, combine, and extract pages in one tactile workspace.
Open workspaceMerge PDF
Combine multiple PDF files in your chosen order with page counts, drag-and-drop sorting, and private browser-only processing.
Open toolSplit PDF
Separate a PDF into custom page groups, individual pages, or equal chunks with private browser-only processing and ZIP download.
Open toolRotate PDF
Rotate selected pages in one or many PDFs with real previews, lossless structural changes, verified output, and private ZIP batching.
Open toolCrop PDF
Crop PDF margins or choose a precise visible area on one, selected, or all pages with real previews and verified structural output.
Open toolPage Numbers
Add a custom numbering sequence to all or selected PDF pages with precise formats, typography, positions, margins, previews, and verified output.
Open toolWatermark PDF
Stamp custom text, a logo, PNG, or JPG over selected PDF pages with position, size, opacity, rotation, previews, and verified private output.
Open toolPDF to JPG
Render selected PDF pages as sharp JPG images with visual selection, 96–300 DPI output, quality control, and private ZIP downloads.
Open toolJPG to PDF
Combine one or many JPG images into a polished PDF with page-size, margin, orientation, fitting, and ordering controls.
Open toolBusiness handled, without the busywork.
Create polished documents and keep projects moving without heavyweight software.
Invoice Generator
Create branded invoices with a logo, initials, or text-only header, live totals, and PDF-ready output.
Open workspaceReceipt
Create branded payment receipts with flexible header styles, customer details, live totals, and PDF-ready output.
Open toolQuote & Estimate
Create branded quotations and estimates with flexible headers, pricing, terms, approval, and PDF output.
Open toolCV
Build a polished CV with experience, education, skills, and links, saved privately in your browser.
Open toolKanban
Plan projects across private local boards with draggable detailed tasks, customizable workflows, CSV task transfer, and full workspace backups.
Open toolUTM Builder
Build consistent campaign tracking URLs with presets, validation, custom parameters, local history, CSV export, and QR-code handoff.
Open toolUseful documents, polished and ready.
Create useful document assets privately, cleanly, and ready to share.
Signature Maker
Draw or type a polished signature privately in your browser, customize its style, and export transparent PNG, SVG, or JPG files.
Open workspaceA new section, filling up.
More document tools are on the workbench.
Every word, clearer and sharper.
Measure, transform, and improve text with private analysis that stays out of your way.
Word Counter
Count words and characters, measure reading time, set a goal, and understand the keywords in any draft.
Open workspaceEssay Counter
Track an essay against common or custom word limits with live structure, timing, paragraph balance, and keyword insights.
Open toolX Counter
Count standard posts with X’s weighted rules, preview the result, and split longer drafts into numbered threads.
Open toolYouTube Title
Check a video title against YouTube’s 100-character maximum, catch invalid text, clean spacing, and preview the result.
Open toolMeta Description
Check meta description length and editorial quality, preview desktop or mobile search snippets, and copy clean HTML.
Open toolKeyword Density
Analyze one-, two-, and three-word phrase frequency, track exact terminology, filter results, and export a private CSV report.
Open toolReading Time
Estimate exact and rounded reading time at a custom words-per-minute pace, with finish time and speed comparisons.
Open toolSpeaking Time
Time speeches, presentations, scripts, and voiceovers with adjustable WPM, pause allowance, finish time, and pace comparisons.
Open toolSentence Counter
Count sentences and paragraphs, measure selected passages, and compare every paragraph’s length and structure.
Open toolTyping Test
Measure WPM, accuracy, rhythm, key response, difficult transitions, and punctuation timing in one deep typing lab.
Open toolText Case
Convert text to uppercase, lowercase, title, sentence, camel, Pascal, snake, kebab, alternating, or inverted case instantly.
Open toolNATO Spelling
Spell any name, reference, or password in the NATO phonetic alphabet, with capital marking, digits, punctuation, and the full ICAO pronunciation table.
Open toolText Diff
Compare two versions of any text and see exactly what was added, removed, and changed: line by line or word by word, with whitespace and case controls.
Open toolPalindrome
Check whether a word or a whole sentence reads the same backwards, and whether two texts use exactly the same letters, with the counts that prove it.
Open toolDedupe Lines
Delete repeated lines from a pasted list, keep only the repeats, sort alphabetically or numerically, and see how many times each line appeared.
Open toolNotepad
Write and autosave plain-text notes in your browser across multiple named documents, with live counts, find and replace, and text or Markdown download.
Open toolEvery image, exactly as needed.
Resize, compress, and convert images with dependable controls and crisp previews.
QR Code Generator
Create custom QR codes for links, Wi-Fi, contacts, email, calls, and messages, then export PNG or SVG.
Open workspaceFavicon
Turn a logo or image into favicon.ico, browser PNGs, Apple and Android icons, a web manifest, and install-ready HTML.
Open toolCompress Image
Compress JPEG, PNG, WebP, and AVIF images with a professional Sharp and libvips pipeline, real savings, and visual comparison.
Open toolConvert Image
Convert images between JPG, PNG, WebP, and AVIF with unchanged dimensions and lossless output where supported.
Open toolWebP to PNG
Convert static WebP images to lossless PNG files while preserving transparency and original dimensions.
Open toolWebP to JPG
Convert WebP images to maximum-quality JPG files with a selectable background for transparency.
Open toolPNG to JPG
Turn PNG images into high-quality JPG files with preserved dimensions and transparency background controls.
Open toolJPG to PNG
Convert JPG and JPEG images to lossless PNG output without resizing or another lossy encoding step.
Open toolSVG to PNG
Safely rasterize SVG artwork as transparent PNG files at selectable 1x through 4x resolution.
Open toolHEIC to JPG
Convert iPhone HEIC and HEIF photos to compatible JPG images privately in your browser, with quality controls and batch ZIP download.
Open toolResize Image
Resize and crop images to exact dimensions or percentages with aspect-ratio locking, focal positioning, and practical presets.
Open toolSocial Resizer
Resize one image for Instagram, Facebook, YouTube, LinkedIn, X, TikTok, and Pinterest with editable presets, safe-area guides, crop controls, and batch ZIP export.
Open toolSVG Data URI
Turn SVG markup into an optimized data URI for CSS or HTML, comparing URL-encoded and Base64 output with the exact byte difference.
Open toolImage to Base64
Encode PNG, JPG, WebP, GIF, AVIF, or SVG files as a Base64 data URI with ready CSS and HTML snippets, a live preview, and the exact size premium measured.
Open toolImage Border
Add a solid, inset, or photo-style border to any image in your browser, with exact pixel or percentage widths, rounded corners, and a live preview.
Open toolRotate Image
Rotate a photo by 90 degrees or any angle, flip it horizontally or vertically, straighten a crooked horizon, and export PNG, JPEG, or WebP.
Open toolMoney decisions, made much clearer.
Plan costs, payments, budgets, and margins with every assumption in view.
Monthly Budget Planner
Plan monthly income and expenses, compare actual results, carry recurring entries forward, track a savings target, and export CSV.
Open workspaceFuel Cost
Calculate fuel and total trip cost with metric or imperial economy, return journeys, repeated trips, passenger splitting, and vehicle comparison.
Open toolExpense Splitter
Track group payments, choose who shared each cost, use equal or weighted shares, and calculate a clear who-pays-whom settlement plan.
Open toolSalary
Convert pay across six periods and estimate take-home income with custom schedules, overtime, allowances, and progressive tax brackets.
Open toolDiscount
Calculate sale prices, stacked discounts, savings, tax, quantities, and reverse discount questions with a full price trail.
Open toolTip & Split
Calculate a tip before or after tax, split the bill equally, round each share, and see a transparent per-person breakdown.
Open toolCompound Interest
Project savings with recurring contributions, flexible compounding, rate scenarios, inflation, targets, charts, and yearly growth schedules.
Open toolMargin & Markup
Calculate profit, margin, markup, target selling prices, and maximum costs with customizable unit costs, overhead, and batch totals.
Open toolCar Loan
Estimate a car payment, taxes, trade-in equity, total interest, payoff date, and the effect of extra monthly payments.
Open toolMortgage
Model payments, tax, insurance, PMI, equity, interest, extra payments, and yearly amortization with a printable report.
Open toolEveryday answers, without the guesswork.
Practical calculators for everyday decisions, with visible methods and useful context.
Age Calculator
Calculate an exact age, lifetime totals, birth-date facts, and the countdown to the next birthday.
Open workspaceBMI
Calculate adult BMI in metric or imperial units with clear screening categories and a height-specific healthy-weight range.
Open toolDate & Time
Count days, hours, weeks, weekdays, weekends, and business days between dates, or add and subtract calendar time.
Open toolDaily Planner
Plan timed and flexible tasks, spot schedule conflicts, track progress, and carry unfinished work into a new day.
Open toolPacking List
Create categorized trip checklists from reusable templates with quantities, essentials, progress, multiple saved trips, printing, and text export.
Open toolPomodoro
Run accurate focus and break cycles with custom durations, long-break rules, daily goals, notifications, and private history.
Open toolCountdown
Run multiple named countdown timers with presets, accurate background timing, alerts, fullscreen display, and shareable end times.
Open toolPercentage
Solve percent-of, percentage change, increase, decrease, and percentage-difference questions with formulas.
Open toolAverage
Calculate arithmetic or weighted averages from pasted values with validation, summary statistics, precision controls, and a formula breakdown.
Open toolMedian
Find the median of pasted numbers with visible sorting, highlighted middle values, quartiles, IQR, range, validation, and precision controls.
Open toolConversion Rate
Calculate conversion rate, required conversions, required traffic, target gaps, and relative uplift for marketing, sales, or product funnels.
Open toolGrade
Calculate weighted course grades, required final-exam scores, and points percentages with a customizable letter-grade scale.
Open toolGPA
Calculate semester and cumulative GPA with credit-weighted courses, target planning, pass or withdrawal exclusions, and editable scales.
Open toolUnit Converter
Convert length, mass, temperature, area, volume, speed, pressure, energy, digital storage, and time with adjustable precision.
Open toolScientific
Calculate with advanced trig, logs, complex numbers, combinatorics, equations, numerical calculus, and vectors.
Open toolWeather
Check current conditions, today by hour, and the previous seven days for cities and postal codes worldwide.
Open toolName Wheel
Spin a fair animated wheel to pick a random name, team, prize, task, or decision, with saved lists, exclusions, and confetti.
Open toolStopwatch
Time laps and splits with timestamp-based precision, keyboard shortcuts, fullscreen mode, statistics, copy, and CSV export.
Open toolRandom Number
Generate secure random integers or decimals with custom ranges, exclusions, unique results, sorting, statistics, and downloads.
Open toolDice Roller
Roll animated d4 through d20 dice or complete dice notation with secure randomness, modifiers, breakdowns, and history.
Open toolCoin Flip
Flip a fair animated coin for heads or tails with optional sound, call-the-toss mode, session history, streaks, and probability simulation.
Open toolWorld Clock
Check the live local time, date, UTC offset, DST status, and difference from you in almost any city, region, or country.
Open toolSci Notation
Convert between plain decimal, scientific notation, E-notation, and engineering notation with significant-figure control and SI prefixes.
Open toolAspect Ratio
Solve any missing width or height at a locked aspect ratio, simplify pixel dimensions to their exact ratio, and check common video, photo, and screen presets.
Open toolRoman Numerals
Convert numbers to Roman numerals and Roman numerals back to numbers, with strict validation, dates in numeral form, and the subtractive rules explained.
Open toolNumber Base
Convert between binary, octal, decimal, hexadecimal, and any base from 2 to 36 at once, with fractions, byte grouping, and two's complement widths.
Open toolTDEE
Estimate basal metabolic rate and daily calorie burn from three published formulas, with activity levels, weight goals, and a macronutrient split.
Open toolDeveloper essentials, ready in seconds.
Inspect, convert, and generate the small essentials that unblock technical work.
Barcode Generator
Generate validated Code 128, EAN, UPC, ITF-14, Code 39, and QR barcodes with SVG, PNG, and printable label-sheet output.
Open workspacePassword
Create cryptographically secure random passwords and memorable passphrases without saving or uploading them.
Open toolJSON Formatter
Format, minify and validate JSON with precise diagnostics, recursive key sorting, tree search, and document statistics.
Open toolColor Picker
Pick and convert HEX, RGB, HSL, and CMYK colors, generate harmonious palettes and shades, check WCAG contrast, and export CSS variables.
Open toolBase64
Encode Unicode text and files to Base64 or decode Base64 into text and downloadable files, with data URL and URL-safe support.
Open toolUUID
Generate UUID and GUID values in bulk (random v4, time-ordered v7, classic v1, reordered v6, or deterministic v5) and decode any existing UUID.
Open toolHash
Hash text or files with MD5, SHA-1, SHA-256, SHA-384, and SHA-512, sign messages with HMAC, and verify a published checksum locally.
Open toolUnix Timestamp
Convert epoch seconds or milliseconds to ISO, UTC, local, relative, and time-zone dates, or convert dates and timestamp batches back.
Open toolChmod
Build a Unix file mode from checkboxes, read any octal or symbolic mode back, and copy the exact chmod command with setuid, setgid, and sticky bits explained.
Open toolSubnet
Turn any IPv4 address and CIDR prefix into its network, broadcast, usable host range, mask, wildcard, and a full list of equal-size subnets.
Open toolRegex Tester
Test a regular expression against your own text with live match highlighting, capture groups, named groups, replacement preview, and a full token cheatsheet.
Open toolUser Agent
Break a user agent string into browser, engine, operating system, and device, read your own, and see which parts are real and which are legacy padding.
Open toolLorem Ipsum
Generate placeholder paragraphs, sentences, words, or list items, in plain text, HTML, or Markdown, and fill an exact word or character budget.
Open toolURL Encoder
Percent-encode or decode a URL, a query string, or a single parameter, and split any link into its scheme, host, path, query, and fragment.
Open toolStay on beat, and keep improving.
Focused practice utilities designed for accurate timing and distraction-free sessions.
Online Metronome
Practice with precise browser-timed clicks, tap tempo, custom meters, subdivisions, swing, beat accents, four voices, and a tempo trainer.
Open workspaceDelay Times
Turn any tempo into delay, pre-delay, and reverb times in milliseconds for straight, dotted, and triplet note values, plus matching LFO rates in Hz.
Open toolPitch Pipe
Play sustained chromatic reference tones for tuning by ear, with open-string presets for guitar, bass, ukulele, violin, and cello, plus octave, waveform, and A4 control.
Open toolTap Tempo
Tap any key or click along with a track to read its tempo in BPM, with a rolling average, timing steadiness, and a handoff to the metronome.
Open toolCircle of Fifths
Click any key for its signature, relative minor, diatonic chords, and common progressions, with every chord and scale playable in your browser.
Open toolTransposer
Move a song or a chord chart into any other key, and find the capo fret that turns awkward barre shapes into open chords without changing the pitch.
Open toolNote & Frequency
Convert a note name, a frequency in hertz, and a MIDI number in any direction, with cents deviation, a movable A4, and an audible reference tone.
Open toolCrypto positions, with the fees included.
Work out what a trade actually returned once exchange fees, break-even, and ROI are accounted for.
Crypto Profit & Loss Calculator
Calculate net crypto profit, loss, ROI, break-even price, and exchange-fee drag for a sold or still-held position.
Open workspaceCrypto DCA
Model a recurring buy schedule or enter your real buys to find average cost basis, total invested, current value, and how dollar-cost averaging compares with one lump sum.
Open toolSats & Gwei
Convert BTC to satoshis, ETH to gwei and wei, and any token's own decimals with exact integer maths and no rounding drift.
Open toolStaking Yield
Convert APR to APY at any compounding frequency, project staking rewards over a lock period, and see what commission and reward timing really cost.
Open toolImpermanent Loss
Work out what a liquidity position loses against simply holding when the price ratio moves, and how much trading fee income it takes to break even.
Open toolLiquidation
Find the liquidation price of a leveraged position and the position size that keeps a losing trade inside the percentage of your account you were willing to risk.
Open toolGas Fee
Work out what an Ethereum transaction costs from the gas limit and the gwei price, split into the burned base fee and the validator tip.
Open toolAddress Check
Check a Bitcoin or Ethereum address before you send, with EIP-55 checksum, Base58Check, and bech32 verification running entirely in your browser.
Open toolThe toolkit keeps growing.
More focused PDF workflows, document converters, calculators, and everyday utilities are on the workbench.