28 Tools

Handy Web Tools & Calculators

Generate strong passwords, convert units, calculate loans and finances, and boost productivity.

ZIP Master

Upload multiple files and download them as a compressed ZIP archive.

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Smart Converter

Convert units (length, weight, temp) and current exchange rates.

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Secure Password Generator

Create highly secure, randomized passwords with customizable rules, symbols, and entropy ratings.

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Text Encryption

Encrypt and decode texts (Base64, SHA256).

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Space-Weight Calculator

Calculate your weight in space or the volumetric weight for shipping.

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IBAN Checker & Validator

Validate and check IBAN numbers for all SEPA and international bank accounts instantly (client-side only).

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Password Strength Checker

Check the security of your passwords instantly (client-side only).

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Color Converter & Contrast

Convert HEX, RGB, HSL, and CMYK colors accurately and test WCAG accessibility contrast ratios.

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All-in-One Percentage Calculator

Free online percentage calculator: calculate percentage values, fractions, percentage change, and discounts instantly.

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Compound Interest Calculator

Calculate your wealth growth with compound interest, daily/monthly contributions, and a visual breakdown table.

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Date & Age Calculator

Free online date calculator: calculate exact age, count days & working days between dates, or add/subtract days for deadlines.

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Fuel & Trip Cost Calculator

Free fuel cost calculator: calculate fuel consumption, total trip costs, and fair expense sharing per passenger.

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BMI & Calorie Calculator

Free BMI calculator: calculate Body Mass Index, healthy weight range, Basal Metabolic Rate (BMR), and daily calories.

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Loan & Mortgage Calculator

Free loan calculator: calculate monthly payments, total interest, remaining balance, and amortization schedule.

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Time Zone & World Meeting Planner

Compare world time zones, convert times live, and find ideal overlapping business hours for global conference calls.

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Grade Calculator & GPA Converter

Free online grade calculator & GPA converter: calculate weighted average grade, high school GPA, college ECTS credits, global GPA scale, and goal exam grades.

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VAT & Sales Tax Calculator (Net & Gross)

Free online VAT & Sales Tax calculator: calculate gross from net and net from gross with international tax rates (Germany, UK, US, EU, Canada).

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Invoice & Receipt Generator (Free PDF)

Free online invoice and receipt generator: create professional invoices and receipts with automatic tax calculations and instant PDF download.

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Freelance Hourly & Day Rate Calculator

Free freelance hourly rate calculator: calculate your ideal hourly rate, day rate, billable hours, profit margin, business expenses, and taxes for designers, developers, and consultants.

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Chart & Graph Maker

Create professional bar charts, pie charts, and donut graphs with instant high-resolution PNG export.

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Data Converter (CSV ↔ JSON ↔ XML)

Bidirectional data format conversion between CSV, JSON, and XML with instant preview and download.

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CSV Splitter & File Chunker

Split massive CSV files by row count into smaller parts while preserving table headers and downloading as ZIP.

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Audio Cutter Pro (Trim MP3 Online)

Trim MP3, WAV, and audio files precisely with visual waveform, fade-in/out effects, and instant export.

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Split Excel Files

Split large Excel workbooks (.xlsx) by row count or worksheets: 100% private and client-side.

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Excel Converter (XLSX ↔ CSV/JSON/XML)

Convert Excel spreadsheets (.xlsx) instantly to CSV, JSON, and XML or convert data files to XLSX.

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CMS Checker & Detector (Detect CMS Online)

Free online CMS checker and technology detector. Instantly check CMS, frameworks, and web technologies used by any website (WordPress, Shopify, Webflow, Wix, Squarespace, Ghost).

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URL Redirect & HTTP Status Tracer

Trace complete URL redirect chains (301, 302, 307, 308) with HTTP status codes, response times, and server headers.

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Amazon KDP EPUB Validator & Kindle Checker

Inspect EPUB files 100% locally for Amazon KDP compliance: OPF container, table of contents (NCX/NAV), cover resolution, and formatting issues.

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Developer, Data & Calculator Pipelines

Developer, Finance & Data Utilities: Transform Data Streams Seamlessly

Convert Excel into CSV/JSON, split massive spreadsheets, generate QR & barcodes, build ZIP archives, and compute freelance rates or VAT figures.

Tool-to-Tool File Flow

Data Flow: Transfer Spreadsheets, Codes, and Packages Directly

From spreadsheet to archived release: convert an XLSX sheet into clean CSV, split large row records with the CSV splitter, and bundle the resulting files directly inside the ZIP Master.

Step 1

1. Convert Excel to CSV / JSON

Transform sheets into structured, machine-readable datasets.

In-memory handoff
Step 2

2. Split Large CSV Data

Divide massive datasets into manageable chunks of 1,000 rows.

In-memory handoff
Step 3

3. Encode / Clean Data (Base64)

Encode data payloads safely for API transmission.

In-memory handoff
Step 4

4. Package into ZIP Archive

Compress and package all split assets into an organized ZIP bundle.

In-memory handoff
Pro Feature

Pro Workflows: Fully Automated Data Pipelines for Developers & Finance

Build automated batch pipelines for data processing: upload monthly raw data exports, automatically clean, split, convert to JSON/CSV, and package into archived bundles.

πŸ’‘ Excel & Spreadsheet Data PipelineAutomated sequence: XLSX conversion βž” CSV splitter βž” Base64 encoding βž” ZIP packaging.

Practical Guide & Standards for Utility

No-Code Data Engineering for Modern Teams

Bridging the gap between spreadsheet tables, CSV dumps, and API JSON payloads is essential for financial controllers and web developers. Toolosaurus provides a unified toolkit where data streams flow seamlessly.

FAQ

Frequently Asked Questions about Utility Tools

Can I immediately split converted CSV data?

Yes. Pass the output file straight into the CSV Splitter to partition rows without saving intermediate files.

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