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Browse the tool catalog | Page 204

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Page 204.

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Math, Date & Finance586

Calculators, numerics, date logic, statistics, and finance tools

Images, Audio & Video564

Image, audio, and video processing, conversion, and optimization tools

Design & Color284

Color, layout, graphics, visual styling, and design helper tools

Text & Writing200

Writing, cleanup, formatting, extraction, and text analysis tools

Conversion & Encoding167

Format, file, archive, unit, and encoding conversion tools

Developer & Web163

Developer utilities, networking, web debugging, and automation helpers

Audio Encoding and Format Conversion Tools

Image Format Conversion and Animated Export Tools

JSON Interchange and Format Translation Tools

Color Space Conversion Tools for Web and Print

Text Case, Encoding, and Normalization Conversion Tools

Docs Pricing Terms of Service Privacy Policy Contact

Finance

Annuity Calculator

Calculate annuity payments, present value, and future value

Finance

Capital Gains Tax Calculator

Calculate capital gains tax on investments and asset sales

Finance

Cryptocurrency Converter

Convert between cryptocurrencies and fiat currencies with real-time rates

Finance

Daily Compound Interest Calculator

Calculate compound interest with daily compounding for savings and investments

Sports

Cricket Over Rate Calculator

Calculate cricket bowling over rate and check if it meets minimum required overs per hour

Text Processing

A1Z26 Letter-Number Workbench

Convert between letters and numbers (A=1, B=2, … Z=26) with configurable separator and case, decode numbers back to letters, and compute the letter sum of any text.

Education

Citation Generator

Generate APA 7, MLA 9, Chicago, IEEE, BibTeX, and RIS citations from a DOI, ISBN, URL, or manually-entered metadata.

Media

Chord Progression Roman Numeral Visualizer

Analyze a chord progression by key, Roman numerals, harmonic function, transposition, and cadence clues.

Games

2048 Game

Classic 2048. Arrow keys or swipe to slide and merge equal numbers. Each valid move spawns a tile; score accumulates from merges. 4×4 / 5×5 / 6×6 boards, pick a goal tile.

Data Analysis

A/B Test Significance Calculator

Compute conversion-rate or mean differences, 95%/99% confidence intervals, two-sided p-values (Z-test for proportions, Welch t for continuous metrics), lift, sample size for 80%/90% power, recommended experiment days, plus sequential-testing and Bonferroni multiple-comparison warnings.

Text Processing

Acronym Generator

Turn a phrase into an acronym or initialism. Choose contributing words, which letter(s) to take, the separator, and the case.

Geography

Address to Latitude Longitude

Geocode an address into normalized place details, latitude, and longitude coordinates