Date and Time
Reliable date math and timestamp conversion for schedules, logs, and reporting.
Open category
Productivity Tools
Simple browser utilities for everyday work.
Smart Utils Hub provides fast browser-based utilities for date conversion, text cleanup, encoding, JSON formatting, and simple developer workflows.
26
Live utility pages
31
Guide articles
Fast
No login or install required
Categories
Useful tools grouped by real tasks.
Text Tools
Fast cleanup utilities for counting, casing, deduplicating, sorting, and restructuring copied text.
Open categoryDeveloper Tools
Useful helpers for JSON, encoding, hashes, colors, IDs, and number-base conversion during debugging.
Open categoryNumber Tools
Quick calculators and converters for percentages, formatting, tips, and common units.
Open categoryUtility Tools
Simple helpers for passwords, random values, and other everyday browser tasks.
Open category
Tool Library
Start with the most practical pages.
Each tool solves one focused task and includes a dedicated interface, help text, and related links.
Timestamp Converter
Convert Unix timestamps to readable dates and convert dates back to Unix time.
Open toolDate Difference Calculator
Find the difference between two dates in days, weeks, months, and years.
Open toolWord Counter
Count words, characters, lines, and paragraphs in plain text.
Open toolDuplicate Line Remover
Remove repeated lines from pasted text and keep the original order.
Open toolJSON Formatter
Format, validate, and minify JSON directly in the browser.
Open toolBase64 Encoder Decoder
Encode text to Base64 or decode Base64 content back to text.
Open toolURL Encoder Decoder
Encode unsafe URL characters and decode encoded text safely.
Open toolCase Converter
Switch text between upper case, lower case, title case, and sentence case.
Open toolSlug Generator
Convert titles or phrases into clean URL slugs.
Open toolWhitespace Cleaner
Trim extra spaces, tabs, and blank spacing from copied text.
Open toolLine Sorter
Sort text lines alphabetically in ascending or descending order.
Open toolRemove Empty Lines
Strip blank lines from copied text while keeping the content order.
Open toolText Reverser
Reverse full text or reverse each line separately.
Open toolText Splitter
Split text by commas, spaces, lines, or custom separators.
Open toolHTML Escape Unescape
Escape HTML special characters or decode escaped HTML entities.
Open toolSHA-256 Generator
Generate a SHA-256 hash from plain text in the browser.
Open toolUUID Generator
Generate one or many random UUIDs for testing and data setup.
Open toolNumber Base Converter
Convert numbers between binary, decimal, hexadecimal, and octal.
Open toolHEX RGB Converter
Convert color values between HEX and RGB formats.
Open toolRandom String Generator
Generate random strings with letters, numbers, and symbols.
Open toolPassword Generator
Create strong random passwords with configurable length and character types.
Open toolPercentage Calculator
Calculate percentages, percentage increase, and percentage decrease.
Open toolNumber Format Converter
Add thousand separators, remove commas, and normalize numeric text.
Open toolUnit Converter
Convert common length units such as meters, kilometers, miles, and feet.
Open toolTip Calculator
Calculate tip amounts and per-person totals quickly.
Open toolRandom Number Generator
Generate random integers within a minimum and maximum range.
Open tool
Featured Tools
Popular starting points for everyday tasks.
These pages cover the most common cleanup, conversion, and quick-calculation needs.
Timestamp Converter
Convert Unix timestamps to readable dates and convert dates back to Unix time.
Open toolDate Difference Calculator
Find the difference between two dates in days, weeks, months, and years.
Open toolWord Counter
Count words, characters, lines, and paragraphs in plain text.
Open toolDuplicate Line Remover
Remove repeated lines from pasted text and keep the original order.
Open toolJSON Formatter
Format, validate, and minify JSON directly in the browser.
Open toolBase64 Encoder Decoder
Encode text to Base64 or decode Base64 content back to text.
Open toolURL Encoder Decoder
Encode unsafe URL characters and decode encoded text safely.
Open toolCase Converter
Switch text between upper case, lower case, title case, and sentence case.
Open tool
Why This Site
Designed to be fast, focused, and easy to trust.
Every tool page includes a clear purpose, plain-language instructions, and a dedicated interface. There are no hidden paywalls, account walls, or unnecessary steps.
Fast loading
Static pages and shared assets keep navigation smooth on both desktop and mobile devices.
Clear utility
Each page solves one small task well so users can get an answer and move on quickly.
Privacy minded
The current tools run in the browser and do not require account registration for normal use.
Guides
Helpful reading that makes the tools more useful.
These pages add context around common tasks, common mistakes, and practical workflows.
How to Read Unix Timestamps Without Guessing
Learn how Unix timestamps work, how to tell seconds from milliseconds, and how to convert them safely.
Read guideUsing Date Difference Calculators for Planning and Reporting
Date difference tools are useful for deadlines, project milestones, subscription windows, and reporting periods.
Read guideWord Count Best Practices for Content and Forms
Word and character counts help with articles, forms, metadata, summaries, and translation estimates.
Read guideCleaning Duplicate Lines Before Export or Publishing
Duplicate line removers are useful for copied lists, exports, tags, keywords, and checklist cleanup.
Read guideWhy JSON Formatting Saves Time During Debugging
Formatting and validating JSON makes API responses, configs, and payloads easier to read and troubleshoot.
Read guideBase64 and URL Encoding Explained in Plain Language
Base64 and URL encoding solve different problems, and understanding the difference avoids common payload mistakes.
Read guide
Popular Categories
Move faster by jumping into the right section.
Each category groups related utilities so visitors can scan the library without guessing where to start.
Date and Time
Reliable date math and timestamp conversion for schedules, logs, and reporting.
Open categoryText Tools
Fast cleanup utilities for counting, casing, deduplicating, sorting, and restructuring copied text.
Open categoryDeveloper Tools
Useful helpers for JSON, encoding, hashes, colors, IDs, and number-base conversion during debugging.
Open categoryNumber Tools
Quick calculators and converters for percentages, formatting, tips, and common units.
Open categoryUtility Tools
Simple helpers for passwords, random values, and other everyday browser tasks.
Open category
How To Use
A simple workflow for getting results fast.
Most pages follow the same structure, which keeps the site easy to learn on both desktop and mobile.
1. Pick a focused page
Start from the category list or featured tools section instead of browsing everything manually.
2. Paste or enter your data
Each tool is built for a small, clear task so input steps stay simple.
3. Review and reuse the result
Most pages return copy-ready output, quick stats, or converted values that can be used immediately.
Latest Guides
New reading for common utility workflows.
The guide library grows alongside the tools so the site feels useful even beyond the calculators themselves.
Common JSON Validation Mistakes
JSON validation mistakes are often tiny, but they can stop APIs and configurations completely.
Read guideUsing Base64 in API Workflows
Base64 shows up often in API workflows, which is why a simple encoder and decoder is handy.
Read guideURL Encoding for Query Parameters
URL encoding is especially important for query parameters and tracking links that contain spaces or symbols.
Read guideCase Conversion for Content Teams and Editors
Case converters help editors and content teams standardize labels, titles, and pasted text quickly.
Read guideTimestamp Conversion in Log Analysis
Timestamp conversion is especially useful when reading logs and tracing events across systems.
Read guideWhy Small Browser Tools Still Improve Productivity
Small browser tools save time because they remove friction from repetitive micro-tasks.
Read guide
FAQ
Common questions
Do I need to create an account?
No. The tools are available directly in the browser.
Are the tools free to use?
Yes. The current tool library is free to use.
How should I deploy the site?
The project is prepared for static hosting on Cloudflare Pages, including a build script, sitemap, robots file, and cache headers.