Shopshubb ToolHub

Free Online Tools & Calculators

Use 60 practical calculators, converters, PDF utilities, image tools, text helpers, and developer tools directly in your browser.

60 useful toolsBrowser-basedNo signup required

Browse all 60 tools below.

Browse by category

Financial Calculators26 tools

Plan borrowing, saving, investing, household finances, and business decisions with transparent browser-based calculators. Results are estimates based only on the values you enter.

PDF Tools9 tools

Convert, merge, compress, split, rotate, and organize PDF files locally in your browser. These tools do not upload your files to the ToolHub server.

Image Tools3 tools

Compress, resize, or remove image backgrounds directly in your browser with clear quality controls and no ToolHub server upload.

Developer Tools11 tools

Format, encode, compare, convert, hash, and test development data without sending the input to a remote ToolHub service.

Text Tools3 tools

Count, transform, and compare text in the browser with Unicode-aware handling and practical copy or download options.

Calculators & Converters8 tools

Solve everyday percentage, date, age, conversion, QR, password, and random-selection tasks with quick browser-based utilities.

Featured tools

Start with a selection of broadly useful tools. This list is editorial and does not claim usage rankings.

Mortgage CalculatorEstimate a fixed-rate mortgage payment, total borrowing cost, and payoff schedule from the home price, down payment, term, interest rate, and optional housing costs.Open tool →Percentage CalculatorSolve common percentage questions, including a percentage of a number, percentage change, reverse percentages, ratios, differences, and markups.Open tool →JSON Formatter & ValidatorFormat, validate, minify, search, sort, and inspect JSON immediately in the browser, with code and tree views for easier debugging.Open tool →Merge PDFCombine complete PDF files in the order you choose while preserving source page sizes, orientation, vectors, images, and selectable text.Open tool →Image CompressorReduce a JPEG, PNG, or browser-decodable WebP image by adjusting quality, dimensions, and output format without uploading it to WordPress.Open tool →Word & Character CounterCount words, characters, characters without spaces, sentences, paragraphs, and lines while estimating reading and speaking time.Open tool →Unit ConverterConvert values across length, mass, temperature, area, volume, speed, time, storage, pressure, energy, power, angle, fuel economy, force, and frequency.Open tool →Password GeneratorCreate one or five random passwords with configurable length, character sets, required characters, and exclusions.Open tool →

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