Play Free Online Klondike Solitaire

Puzzles

Clear Spider

Play Spider solitaire locally with one, two or four suits, checked sequence moves and undo. No account or saved history.

Try same-suit sequences in Spider.

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Puzzles

Open FreeCell

Play local FreeCell with explicit move feedback, checked sequence capacity, undo and a simple practice deal.

Play with every card visible in FreeCell.

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Puzzles

Quiet Sudoku

Play locally generated classic Sudoku with a checked unique solution, manual pencil notes, undo and clearly marked answer assistance.

Try a classic number puzzle.

Learning

Algebra Steps

Solve elementary rational equations and small linear systems with exact answers, original domain restrictions and checkable steps. No account or input upload.

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Text

Anagram Desk

Solve single-word anagrams and shorter words with up to two blanks using a documented US-English word list.

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Planning

Balanced Group Maker

Divide a list into similar-sized groups, optionally spread manually assigned ratings, and export the complete assignment.

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Print

Bingo Card Maker

Make bingo cards from your own words.

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Print

BookletPlan

Plan page order for folded booklets.

Everyday

Calendar Day Count

Calculate calendar age in years, months and days, compare dates or add days. Your dates stay on your device.

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Image tools

Caption Canvas

Make a static meme from your own image or original geometric templates, with local captions and PNG export.

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Print

Certificate Batch

Turn your own name list into a simple, consistent participation certificate print set.

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Games

Chess Study

Play local casual chess with legal move guidance, a simple practice computer, undo and special-move exercises.

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Text

Chord Shift

Transpose bracketed chord symbols in your own text while preserving the surrounding lyrics and notes.

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Learning

Circle Angles

Explore degree and radian angles with a unit-circle diagram, exact standard values and explicit tangent limits.

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Planning

Classroom Seat Plan

Arrange classroom seats or wedding groups with separate guest seating and private catering sheets.

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Everyday

Clear Bill Share

Split a bill into equal or weighted shares, account for included gratuity and see exactly where the remaining cents go.

Games

Clear Checkers

Play English checkers with a practice computer or local friend, complete legal-turn paths, undo and four learning positions.

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Puzzles and games

Clear Hearts

Play Hearts against three local computer opponents with readable cards, optional suggestions and a scorecard. No account or game-data upload.

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Work

Clear Hours

Add and subtract hours, minutes and seconds, or total dated intervals with explicit breaks and UTC offsets.

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Puzzles and games

Clear Mahjong

Play Mahjong Solitaire with readable tile labels, three original boards, undo and guided hints. No account or saved game data.

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Work

Clear Org Chart

Turn IDs and parent links into an organisation chart.

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Puzzles and games

Clear Spades

Play partnership Spades with local computer players, readable cards and explained contract, Nil and bag scoring. No account or game-data upload.

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Text

Clear Text Diff

Compare two text versions locally, inspect added and removed lines, and locate selected invisible Unicode characters.

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Creative printables

Coloring Garden

Create original coloring pages with six themes, three detail levels and SVG or Letter/A4 print-page downloads.

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Planning

Compound Path

Explore a fixed-rate compound-interest scenario with visible deposit timing, annual balances and contributions shown separately from calculated interest.

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Work

CSV Compare

Compare two CSV lists using an explicit key.

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Work

CSV File Renamer

Match a CSV mapping to files and save renamed copies.

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Audio tools

Cue Deck

Play twelve original sound cues or local audio clips with stop controls and optional keyboard shortcuts.

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Learning

Curve Desk

Plot up to three explicit real functions with adjustable windows, angle modes, adaptive sampling and value tables. No account or input upload.

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Health education

Cycle Window

Approximate ovulation dates for regular cycles with an explicit calendar convention and visible limitations; no saved health history.

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Everyday

Daylight Sketch

Estimate sunrise, sunset and daylight from manually entered coordinates, with a daily solar-height sketch and an explicit fixed UTC offset.

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Games

Dice Desk

Roll common dice locally with visible individual results, modifiers, keep-highest or keep-lowest rules and a short session history. No account.

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Health education

Due Date Desk

Understand due-date calculations and completed gestational weeks using an established date, a known regular-cycle last period or a recorded IVF transfer.

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Everyday

EasyPercent

Calculate a percentage, a change or an original value with a visible worked example.

Learning

Element Atlas

Explore all 118 elements, search names and symbols, and read abridged atomic weights with uncertainty and source notes.

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Text tools

Emoji Shelf

Find and copy all 3,944 fully qualified Emoji 17.0 sequences by English name, character, code point, group and skin-tone modifier.

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Everyday

Fair Draw

Draw unique names or integers, or flip coins, with browser randomness and a plain record of the chosen settings.

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Print

Flashcard Print Maker

Prepare paired fronts and backs for flashcards.

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Math

Fraction Steps

Calculate with fractions and mixed numbers, keeping the exact answer and each common-denominator or reciprocal step visible.

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Image tools

Frame Loop

Arrange your own pictures, set frame durations and make a GIF locally without an account or image upload.

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Learning

Grade Ledger

Calculate weighted or points-based grades, inspect each contribution, and work out a final-exam target without a school account.

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Everyday tools

Groan Garden

Browse96 short dad-joke pairs in eight topics, search setups and punchlines, pick without repeating within a cycle and copy a chosen list. No account, joke API or automatic saved history.

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Music

Guitar Voicings

Compare standard-tuning guitar chord shapes in all twelve keys, with mirrored diagrams, string notes and a local synthesized pitch reference.

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Design

Hue Wheel

Create five geometric RGB color schemes with numbered wheel relationships, HEX palettes and CSS values.

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Design

Image Size Tool

Resize, convert and watermark local image batches in one or three output profiles.

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Work

Inch Fraction Bench

Convert millimetres and fractional inches, with the rounding difference shown explicitly.

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Math

Integer Workbench

Find exact GCF and LCM together, follow Euclid’s algorithm, or check a bounded whole number for primality.

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Work

Internal Label Maker

Print Code 128 labels for internal identifiers.

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Business tools

Invoice Guide

Learn how to create a USD invoice with guided steps, exact line totals and an editable local draft.

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Games

Letter Lantern

Play hangman with 96 selected English words, eight categories, optional clues and tab-local session counts.

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Planning

Loan Schedule

Model a fixed-rate loan, inspect monthly principal and interest, and compare an optional extra payment with the original schedule.

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Design

Local Sprite Sheet

Pack local PNG images into a transparent atlas with a plain JSON coordinate map.

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Text

Meaning Grove

Explore English synonyms in separate meaning groups, filter by word class and save results with definitions. Local historical dictionary; no account or external dictionary API.

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Health education

Measure Context

Inspect adult BMI arithmetic or a published resting-energy equation, with visible units, assumptions and limits. No account or stored history.

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Print

Measured Paper

Generate grid and dot paper with a scale check.

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Games

Minefield

Play Minesweeper with safe first openings, three preset sizes, custom boards, flags, chording and keyboard controls.

Print

Month Notes

Make a clean monthly calendar with your own notes, a chosen week start and A4 or Letter output, without connecting a calendar account.

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Learning

Moon Window

Explore approximate moon phases, illumination and upcoming primary phases for 2000–2035, with a UTC monthly calendar and local CSV export.

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Learning

Morse Desk

Learn international Morse code with a clear character chart, strict text conversion, visible character breakdown and timing units. Local and no account.

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Names and planning

Name Harbor

Explore historical US baby-name records from2020–2024, filter spellings and counts, compare years and keep a shortlist in this tab.

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Print

Name Practice Sheets

Create simple name and word practice sheets with a model line and writing guides.

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Print

Open Box Template

Make an open-top paper tray template with glue tabs, fold lines and a scale check.

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Everyday

Pack Price Compare

Compare pack costs using explicit mass, volume or item quantities and see the arithmetic behind the order.

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Design

Palette Contrast

Pick a solid color, read HEX, RGB and HSL values, and compare all text-contrast pairs in your palette.

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Print

Paperback Cover Guide

Calculate a black-and-white paperback cover spread and save a labelled SVG planning guide.

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Privacy

Password Workbench

Generate passwords locally with clear character choices, optional similar-character exclusion and no saved history.

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Everyday

Phase Clock

Run a local multi-phase timer or stopwatch, pause and repeat, and save your plan and lap times without an account.

Image tools

Photo PDF

Convert local JPEG photos into one ordered PDF with rotation, A4, Letter or image-size pages, without uploading images.

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Design

Photo Sheet Maker

Arrange local photos into contact sheets.

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Work

Plain Resume

Arrange your resume in chronological or skills-first formats, choose Letter or A4, and save local HTML, text and editable drafts.

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Games

Pocket Crosswords

Solve twelve original English mini crosswords with crossing clues, optional checks and clearly marked word reveals.

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Print

Poster Tile Print

Split a local image into a poster PDF with overlap, trim marks and an assembly map.

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Print

QR Print Studio

Create static website and guest Wi-Fi codes with printable cards and signs.

Math

Quadratic Steps

Apply the quadratic formula with exact discriminant arithmetic, rational or radical roots, complex cases and separate decimal approximations.

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Developer

Radix Desk

Convert binary, octal, decimal and hexadecimal values with exact fractions, visible repeats and a separate UTF-8 text mode.

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Finance

Rate Compass

Compare currencies locally using dated ECB reference rates explicitly loaded from Frankfurter. Includes direction swap, decimal rounding and comparison tables.

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Math

Ratio Workbench

Simplify decimal and fractional ratios or solve one missing value, with an exact answer and a cross-product check.

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Everyday

Recipe Scale

Apply a serving multiplier or a same-depth baking-pan area ratio to your own ingredient list.

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Text

Reference Desk

Format book, journal and webpage references in APA 7, MLA 9 or Chicago 18 author-date style, with local drafts and exports.

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Math

Right Triangle Steps

Apply the Pythagorean theorem to find a missing side, with exact square arithmetic, a labeled diagram and distinct decimal approximations.

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Planning

Round Robin Planner

Create pairings and check rest and deadline assumptions.

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Music

Scale Atlas

Explore eleven common scale patterns with correctly spelled notes, semitone steps, a major comparison and local reference exports.

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Math

Science Desk

Evaluate scientific expressions with explicit degree or radian mode, a readable calculation trace and downloadable local results.

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Math

Shape Measures

Calculate areas and volumes for six defined shapes, with labelled diagrams, substituted formulas and explicit square or cubic units.

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Work

Simple Team Signatures

Prepare simple text and HTML signatures for a small team using locally entered contact details.

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Creative

Sketch Meadow

Draw with brushes, shapes, an eraser and keyboard coordinates. Save PNG images and editable local projects without an account or input upload.

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Math

Slope Sketch

See exact slope, rise, run and a line equation, alongside a labelled sketch and an explicitly rounded angle.

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Learning

Statistics Desk

Explore descriptive statistics with frequency input, sample and population spread, explicit R7 quartiles, distribution charts and arithmetic steps. No account or input upload.

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Music

Steady Beat

Practise with a local metronome, accented bars and even subdivisions; export a short synthetic WAV click track.

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Work

Step Flow

Convert a short series of process steps into a numbered SVG flow and a printable checklist.

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Text

Subtitle Timing Check

Inspect an SRT file as text, review overlaps and shift every cue by an exact offset without uploading a video.

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Text

Text Budget

Check word and character limits, estimate reading time and tidy pasted line breaks locally.

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Text

Text Style Studio

Generate seven copy-and-paste Unicode styles locally and keep the original text and a plain counterpart.

Games

Three in a Row

Play tic-tac-toe locally with a computer or friend, undo turns and explore each move’s best-play outcome.

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Learning

Times Table Studio

Explore multiplication facts with highlighted rows and columns, then save separate blank practice and answer charts.

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Games

Trail Snake

Play an original local snake game with three speeds, keyboard and direction buttons, fruit scoring, pause and restart. No account or saved scores.

Text tools

Typing Meadow

Practice English typing with three original passages, timed sessions, corrections, character feedback and explained speed and accuracy.

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Everyday

WAV Practice Slice

Trim a short PCM WAV recording and export a slower practice copy locally.

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Everyday tools

Weather Window

Find a US place and read dated NWS day, night and hourly forecasts with clear source times and separate warning-feed status.

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Print

Word Search Maker

Play an original themed word search or create a printable puzzle with your own words and a checked answer sheet.

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Everyday

Zone Overlap

See live world clocks with local dates and offsets, then compare shared working hours without connecting calendars.

Preparing for launch