My Tools Garage
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My Tools Garage 500+ free online tools. Zero uploads.

Convert, format and generate, entirely in your browser. Your files never leave your device, and there is no sign-in.

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Popular: Password GeneratorQR Code GeneratorWord & Character CounterJSON FormatterUnix Timestamp ConverterBMI Calculator
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Popular tools

The ones people reach for most.

Password Generator

Strong random passwords, fully in your browser.

QR Code Generator

Create QR codes for URLs, text & Wi-Fi.

Word & Character Counter

Words, characters, lines, sentences, reading time.

JSON Formatter

Format, validate & beautify JSON in your browser.

Unix Timestamp Converter

Unix time ⇄ human dates, seconds or millis.

BMI Calculator

Body Mass Index from weight and height.

Browse by category

Fifteen groups, every tool in a clear place.

PDF Tools Merge, split, compress & convert PDFs in your browser. 23 Image Tools Convert, compress, resize & edit images locally. 40 JSON & Data Format, validate & convert JSON, CSV, YAML & more. 50 Text Tools Count, transform, diff & clean up text. 47 Encode / Decode Base64, URL, JWT, hex & other encodings. 30 Generators UUIDs, passwords, QR codes, hashes & test data. 48 Converters & Calculators Units, timestamps, numbers & everyday maths. 39 Web & Dev Tools Cron, contrast, CSS generators & dev references. 47 Color & Design Convert colours, build palettes & shades. 25 Utilities Timers, notepad, CIDR & handy everyday tools. 24 Math & Numbers Calculators for arithmetic, algebra, geometry & stats. 34 Date & Time Date maths, durations, calendars & countdowns. 25 Finance Loans, interest, tax, savings & money calculators. 26 Health & Fitness BMR, calories, heart-rate & body metrics. 20 Security & Validation Passwords, encryption, TOTP & validators. 22

PDF Tools

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PDF Bookmark Viewer

See a PDF outline as a table of contents, in your browser.

Compress PDF

Shrink a PDF losslessly, in your browser.

Crop PDF Margins

Trim white margins off every PDF page in your browser.

Delete / Extract Pages

Keep or remove specific PDF pages, in your browser.

Image Tools

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Base64 to Image

Decode a base64 string back into a viewable image.

Brightness and Contrast Adjuster

Fine-tune photo brightness and contrast in your browser.

Color Tint Overlay

Wash any image with a colour at the strength you choose.

Favicon Generator

Turn any image into crisp favicon & app-icon PNGs.

JSON & Data

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JSON Formatter

Format, validate & beautify JSON in your browser.

JSON to CSV Converter

Convert JSON arrays to CSV and back, in-browser.

JSON to YAML Converter

Convert between JSON and YAML instantly.

CSS Minifier & Beautifier

Minify or beautify CSS in your browser.

Text Tools

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Case Converter

camelCase, snake_case, kebab, Title & more.

Word & Character Counter

Words, characters, lines, sentences, reading time.

Regex Tester

Test regular expressions with live matches & groups.

Sort Lines

Alphabetical or numeric line sorting, with dedupe.

Encode / Decode

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Base64 Encode / Decode

Encode and decode Base64, UTF-8 safe.

URL Encode / Decode

Percent-encode and decode URLs and query params.

JWT Decoder

Inspect JWT header, payload & claims.

Hex / Text / Binary Converter

Convert text to hex or binary and back.

Generators

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UUID Generator

Generate RFC-4122 v4 UUIDs in bulk.

Password Generator

Strong random passwords, fully in your browser.

Hash Generator

MD5, SHA-1, SHA-256, SHA-512 of any text.

QR Code Generator

Create QR codes for URLs, text & Wi-Fi.

Converters & Calculators

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Unix Timestamp Converter

Unix time ⇄ human dates, seconds or millis.

Number Base Converter

Convert numbers between any base 2–36.

Roman Numeral Converter

Numbers ⇄ Roman numerals, 1 to 3999.

Data Size Converter

Bytes, KB/MB/GB and KiB/MiB/GiB, side by side.

Web & Dev Tools

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HTTP Status Code Reference

Search every standard HTTP status code.

MIME Type Lookup

Find the MIME type for any file extension.

User-Agent Parser

Decode a User-Agent into browser, OS and device.

URL Parser

Break a URL into its parts and query params.

Color & Design

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HEX / RGB / HSL Converter

Convert colours between HEX, RGB and HSL.

Shades & Tints Generator

Generate shade and tint ramps from one colour.

CSS clamp() Fluid Type

Build a fluid CSS clamp() value for type and spacing.

Glassmorphism CSS Generator

Design a frosted-glass effect and copy the CSS.

Utilities

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CIDR / Subnet Calculator

Work out network, broadcast and host range from a CIDR.

Battery Status Viewer

Live charge level and time remaining.

Browser Info Viewer

Inspect your browser, OS and environment.

Clipboard Inspector

Inspect what you just copied: type, size, counts.

Math & Numbers

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Percentage Calculator

Work out any percentage, change or markup.

Fraction Simplifier

Reduce a fraction and convert it to decimal or mixed form.

GCD & LCM Calculator

Find the greatest common divisor and least common multiple.

Prime Number Checker

Test for primes, find the next prime, or list them.

Date & Time

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Date Difference Calculator

Find the exact time between two dates.

Add or Subtract Days

Shift a date by days, weeks, months or years.

Days Until a Date

Count down the days to any future date.

Business Days Calculator

Count working days between two dates.

Finance

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Simple Interest Calculator

Work out flat, non-compounding interest fast.

Mortgage Calculator

Estimate monthly mortgage payments and total cost.

ROI Calculator

Measure return on investment and annualize it.

CAGR Calculator

Compute the compound annual growth rate.

Health & Fitness

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Blood Alcohol Calculator

Estimate your BAC with the Widmark formula.

BMR Calculator

Estimate resting calories burned per day.

Body Fat Percentage Calculator

Estimate body fat from tape measurements.

Body Surface Area Calculator

Estimate body surface area with four formulas.

Security & Validation

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Password Strength Checker

Score a password and get specific ways to strengthen it.

Password Entropy Calculator

Measure password entropy in bits from its character pool.

Credit Card Validator

Check a card number with Luhn and detect its brand.

Email Address Validator

Check email syntax and split out the local and domain parts.

How it works

  1. Open a tool

    Pick a category or search. Each tool is one page with no setup.

  2. Add your input

    Drop a file or paste text. Your browser reads it; nothing is sent anywhere.

  3. Copy or download

    Take the result straight away. Close the tab and nothing remains.

Nothing leaves your device

Every tool runs on JavaScript and WebAssembly inside your browser, and keeps working offline once the page has loaded.

How privacy works