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Free Online Tools & Utilities

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Image Tools

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Media Tools

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OCR Tools

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Text Tools

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Developer Tools

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JS

JSON to CSV Converter

Convert JSON arrays into clean CSV files that open straight in Excel or Google Sheets, with headers taken from your object keys.

Developer Tools
JS

JSON Formatter Online

Format messy JSON into readable, indented output and validate it at the same time, with clear errors that point to the exact problem.

Developer Tools
BA

Base64 Encode Decode

Encode text to Base64 or decode Base64 back to readable text, with proper handling of Unicode characters, all in your browser.

Developer Tools
UR

URL Encoder Decoder

Percent-encode URLs and query values safely, or decode encoded links back into readable form, with both component and full-URL modes.

Developer Tools
HT

HTML Minifier

Minify HTML by removing comments and needless whitespace to shrink page weight, while protecting preformatted blocks and scripts.

Developer Tools
CS

CSS Minifier

Compress CSS by stripping comments and whitespace and tightening values, producing a smaller stylesheet that styles pages identically.

Developer Tools
JA

JavaScript Minifier

Minify JavaScript with a proper parser that renames local variables and removes dead weight, powered by Terser running in your browser.

Developer Tools
TI

Timestamp Converter

Convert Unix timestamps to readable dates and back, in seconds or milliseconds, with UTC and your local time shown side by side.

Developer Tools
SL

Slug Generator Online

Turn any title into a clean URL slug — lowercase, accents removed, your choice of separator — with a live full-URL preview.

Developer Tools
UU

UUID Generator Online

Generate random version 4 UUIDs one at a time or in bulk up to 100, with uppercase and hyphen options, copy-all and download.

Developer Tools
BI

Binary to Text Converter

Convert binary code to readable text and text back to binary, with UTF-8 support, input validation and error positions shown.

Developer Tools
HE

HEX to RGB Converter

Convert colours between HEX, RGB and HSL with sliders, a live swatch and copy-ready CSS snippets, plus a random colour button.

Developer Tools
PX

PX to REM Converter

Convert pixels to rem and rem back to pixels against any base font size, with a quick-reference table and a copyable CSS snippet.

Developer Tools
CS

CSV to JSON Converter

Convert CSV data to a pretty JSON array with automatic delimiter detection, header-row handling and downloads — paste text or upload a file.

Developer Tools
PA

Password Strength Checker

Check how strong a password is with an entropy estimate in bits, a crack-time guide and a checklist of what to fix — checked 100% locally.

Developer Tools
LO

Lorem Ipsum Generator

Generate classic Lorem ipsum placeholder text by paragraphs, sentences or words, as plain text or HTML paragraphs, ready to copy or download.

Developer Tools

Web Tools

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SEO Tools

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Online Calculators

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AG

Age Calculator in Days

Find your exact age in total days, hours, minutes and seconds, plus a years-months-days breakdown, your birth weekday and next birthday countdown.

Online Calculators
DA

Days Between Dates Calculator

Count the days between two dates with totals in weeks, business days and a years-months-days breakdown, with an option to include the end date.

Online Calculators
WO

Working Days Calculator

Count working days between two dates excluding weekends, and optionally exclude your own list of public holidays for an exact business-day figure.

Online Calculators
AG

Age Difference Calculator

Compare two birth dates to find the exact age gap in years, months and days plus total days, and see who is older and by how much.

Online Calculators
DI

Discount Calculator

Work out sale prices after a percentage discount, see exactly how much you save, stack two discounts, or add tax back for the true final cost.

Online Calculators
TI

Tip Calculator Online

Split a restaurant bill fairly: enter the bill, pick a tip percentage, add the number of people and see the tip, total and per-person amounts.

Online Calculators
SA

Salary to Hourly Calculator

Convert an annual, monthly or weekly salary into an hourly rate based on your working hours, or convert an hourly rate back into a full salary.

Online Calculators
AS

Aspect Ratio Calculator

Simplify any width and height into an aspect ratio, calculate a missing dimension, and check common presets like 16:9, 4:3 and 9:16 with a pixel table.

Online Calculators
RO

Roman Numeral Converter

Convert numbers from 1 to 3999 into Roman numerals and Roman numerals back into numbers, with validation and a full symbol reference table.

Online Calculators
NU

Number to Words Converter

Spell any number in English words, up to billions and including decimals, with a currency mode for cheques and invoices — copy the result in one click.

Online Calculators
WE

Weeks to Years Converter

Convert weeks to years instantly, in both directions. Enter weeks to see the exact value in years (plus months, days and hours), or enter years to see how many weeks that is.

Online Calculators