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Powerful calculators and utilities built to work directly in your browser—fast, private, and ready whenever you need them.

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01Browser-poweredResults are calculated on your device.

02Private by designYour inputs stay with you.

03No account neededOpen a tool and get to work.

Featured applications

Go beyond a single-purpose tool

Two complete browser applications built with the same focus on privacy, capability, and thoughtful engineering.

Design studioBrowser powered

QR Studio

Design polished, customizable QR codes with distinctive modules, finder eyes, frames, templates, and animated exports.

Build and save reusable visual styles
Export static and animated designs
Keep projects and processing in your browser

Open QR Studio

Chess applicationStockfish 19

Ironwood Chess

Play, study, and review games with full-NNUE Stockfish analysis running privately on your own device.

Analyze complete games without uploading them
Save portable analysis and annotated PGN
Use the application directly from a modern browser

Explore Ironwood Chess

Start here

Popular Tools

Twelve of our most capable tools, built for jobs that need more than a basic answer.

01 NEWWord Games

Anagram Architect

Turn names, titles, and phrases into exact multi-word anagrams, preserve how they were found, and share animated reveals.

Generate exact anagrams with parallel Rust/WASM workers
Guide searches with patterns and vocabulary controls
Import, restore, and rerun versioned Pick List recipes
Share focused exact-letter animations and static cards

Open Anagram Architect

02 Finance · Calculators

Compound Interest Calculator

Project investment growth with recurring contributions, flexible compounding, inflation adjustments, and side-by-side scenarios.

Model principal and recurring contributions
Compare multiple growth scenarios
Review balances, interest, and contributions
Visualize long-term growth over time

Calculate compound interest

03 Finance · Calculators

Loan Mortgage Calculator

Estimate mortgage payments, total interest, amortization, and the effect of extra payments across multiple loan scenarios.

Calculate principal-and-interest payments
Include taxes, insurance, and other costs
Compare rates, terms, and extra payments
Review a complete amortization schedule

Open Mortgage Calculator

04 Word Games

Wordle Solver

Narrow the daily puzzle from colored tile feedback with candidate filtering that correctly handles repeated letters.

Enter green, yellow, and gray feedback
Handle duplicate letters correctly
Rank remaining five-letter candidates
Review letter-frequency and position analysis

Solve a Wordle

05 Word Games

Antiwordle Solver

Find legal five-letter guesses designed to avoid the hidden answer while obeying every mandatory Antiwordle clue.

Keep red letters fixed in position
Move yellow letters and avoid gray letters
Handle repeated-letter limits correctly
Rank lower-information legal guesses

Solve an Antiwordle

06 Word Games

Absurdle Solver

Corner Absurdle’s moving target with a next guess chosen against the toughest feedback response the game can return.

Enter green, yellow, and gray feedback
Track every remaining possible answer
Compare adversarial feedback partitions
Save and resume games in your browser

Solve an Absurdle

07Text & Data

Word Unscrambler

Turn rack letters into playable Scrabble words with strategic tile sorting, local definitions, and an optional offline word finder.

Search the Standard (ENABLE) dictionary
Sort the rack by vowels, stems, digraphs, and tile function
Compare scores, bingos, hooks, and local definitions
Use Offline Mode, Focus Mode, History, and saved picks

Open Word Unscrambler

08Text & Data · Word Games

Words With Friends Solver

Find playable Words With Friends moves with WWF scoring, strategic rack sorting, local definitions, and optional offline support.

Score words with the Words With Friends tile table
Sort the rack by vowels, stems, digraphs, and tile function
Use wildcards, board patterns, hooks, and local definitions
Use Offline Mode, Focus Mode, History, and saved picks

Solve a WWF rack

09 Word Games

Crossword Solver

Find single- and multi-word crossword answers using WordNet clue similarity, known crossing letters, answer length, and flexible patterns.

Rank definitions, synonyms, and WordNet graph relationships
Review explainable match scores with known-letter patterns
Group candidate answers by reusable Grid Positions
Import, export, restore, and share complete Pick Lists

Open Crossword Solver

10 Word Games

Quordle Solver

Solve four simultaneous 4, 5, or 6-letter boards from each shared guess, then choose the move with the strongest combined information gain.

Track green, yellow, and gray feedback on four boards
Compare per-board candidate lists and entropy
Get an explained best shared next guess
Expand one board and mirror its keyboard colors

Solve a Quordle

11 Word Games

Octordle Solver

Solve eight simultaneous 4, 5, or 6-letter boards from every shared guess, then choose the move with the strongest combined information gain.

Track green, yellow, and gray feedback on eight boards
Compare per-board candidate lists and entropy
Get an explained best shared next guess
Retain completed answers and reconstruct their colors

Solve an Octordle

12 Word Games

Sedecordle Solver

Solve sixteen simultaneous 4, 5, or 6-letter boards from every shared guess, then choose the move with the strongest combined information gain.

Track green, yellow, and gray feedback on sixteen boards
Group candidates by entropy or letter pattern
Save and restore complete game histories
Choose a flexible one-to-four-board row layout

Solve a Sedecordle

Explore the collection

Find tools by what they do

View the full directory

01Word GamesUnscramble, solve clues, and animate exact anagrams12 02GeneratorsQR codes and secure passwords2 03CalculatorsFinance, health, time, and construction15 04LabsConfigurable models and experimental tools1 05Text & DataConvert, decode, count, and extract5 06Batch & AutomationMulti-item and advanced workflows5

Why MonkeyTactics

Useful software should respect your time—and your privacy.

MonkeyTactics is created by a career mainframe engineer with a simple idea: focused tools can solve real problems without accounts, friction, or unnecessary data collection.

The collection combines straightforward interfaces with serious browser-native engineering, including Rust and WebAssembly where performance and correctness matter.

Read the MonkeyTactics story

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