Free Online Tools & Utilities
Free browser-based utilities — no signup, no install.
118+ free tools available
Type to filter the tool list below
Popular tools
Most commonly used — find what you need quickly.
Word Counter
Count words, characters, sentences and paragraphs instantly.
JSON Formatter
Format, validate and beautify JSON data.
Password Generator
Generate strong, random passwords in one click.
Base64 Encoder / Decoder
Encode or decode Base64 strings instantly.
QR Code Generator
Create QR codes for any URL or text.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
CSV to JSON
Convert CSV to JSON with optional headers.
Image Compressor
Compress images in your browser — no upload to any server.
Text Diff
Compare two texts and highlight differences.
Timestamp Converter
Convert Unix timestamp to date and vice versa.
Developer (46)
JSON Formatter
Format, validate and beautify JSON data.
Base64 Encoder / Decoder
Encode or decode Base64 strings instantly.
HTML Encoder / Decoder
Encode or decode HTML entities.
URL Encoder / Decoder
Encode or decode URL components (percent-encoding).
Regex Tester
Test regular expressions with live matches and groups.
YAML to JSON / JSON to YAML
Convert between YAML and JSON instantly.
Markdown Preview
Preview Markdown as HTML in real time.
CSV to JSON
Convert CSV to JSON with optional headers.
Cron Expression Explainer
Decode cron expressions and see next run times.
Color Converter
Convert between HEX, RGB, and HSL with live preview.
Number Base Converter
Convert between decimal, hex, binary, and octal.
JSON to CSV
Convert JSON arrays to CSV with headers.
CSS Minifier / Beautifier
Minify or beautify CSS code instantly.
Meta Tag Generator
Generate HTML meta tags for SEO and social sharing.
User-Agent Parser
Parse and decode User-Agent strings.
XML Formatter
Format and minify XML with pretty print.
JSON to XML / XML to JSON
Convert between JSON and XML.
HTML Beautifier
Format and beautify HTML code.
SQL Formatter
Format and beautify SQL queries.
JavaScript Formatter
Beautify and minify JavaScript code.
Redirect Checker
Check HTTP status and redirect location.
URL Parser
Break down URL into protocol, host, path, query, hash.
ASCII / Unicode Converter
Convert character to code and code to character.
CSS Gradient Generator
Create linear-gradient CSS from colors and direction.
UUID Validator
Check if a string is a valid UUID (v4 or v1).
JSON Key Sorter
Sort JSON object keys alphabetically.
JSON Validator
Validate JSON syntax and format.
Cron Expression Generator
Build cron schedule from minute, hour, day, month, weekday.
JWT Generator
Create HS256 JWT from payload and secret.
JSON Diff
Compare two JSON objects and see differences.
Markdown Table Generator
Convert CSV or data to Markdown table.
Punycode Converter
Encode or decode IDN domain names.
CSS Box Shadow Generator
Create box-shadow CSS with live preview.
Gitignore Generator
Generate .gitignore from OS and language templates.
Semver Comparator
Compare two semantic versions.
Env File Parser
Parse .env to JSON or key-value list.
HTTP Headers Parser
Parse raw HTTP headers to a table.
Base64 to Image
Decode base64 image and view or download.
XML Validator
Validate XML syntax online.
YAML Validator
Validate YAML syntax online.
Regex Escape
Escape a string for use in regex.
PDF Merger
Merge multiple PDF files into one online.
HTML to Markdown
Convert HTML to Markdown instantly.
GZIP Compress / Decompress
Compress or decompress text with GZIP.
Pixel to Rem Converter
Convert px to rem and em with base font size.
Certificate (PEM) Decoder
Decode PEM certificate and view subject, issuer, dates.
Text (21)
Word Counter
Count words, characters, sentences and paragraphs instantly.
Slug Generator
Convert any text into a URL-friendly slug.
Text Diff
Compare two texts and highlight differences.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, or Sentence case.
Reverse Text
Reverse text by characters or by words.
Sort Lines
Sort lines alphabetically (A–Z or Z–A).
Remove Duplicate Lines
Remove duplicate lines from text and keep unique ones.
Remove Line Breaks
Remove line breaks and join lines into one.
Text Trim
Trim and normalize whitespace in text.
Text to Binary
Convert text to binary and binary back to text.
Add Line Numbers
Add line numbers to text or code.
Email Extractor
Extract email addresses from text.
Keyword Density Checker
Word frequency and density for SEO.
Reading Time Calculator
Estimate reading time from word count.
Shuffle Lines
Randomize the order of lines in text.
Find and Replace
Search and replace text with literal or regex.
Text Line Wrapper
Wrap text at a character limit per line.
Character & Byte Count
Count characters and UTF-8 bytes.
HTML Tag Remover
Strip HTML tags and get plain text.
Newline Converter
Convert line endings between LF, CRLF, and CR.
Invisible Character
Copy zero-width and invisible Unicode characters.
Generator (16)
QR Code Generator
Create QR codes for any URL or text.
Random Name Generator
Generate random names for characters, projects, or testing.
Lorem Ipsum Generator
Generate placeholder text for mockups and wireframes.
UUID Generator
Generate random UUIDs (v4) instantly.
Random Number Generator
Pick random numbers between min and max.
Random String Generator
Generate random strings with letters, numbers, and symbols.
Fake Email Generator
Generate random fake email addresses for testing.
Random Color Generator
Generate random colors in HEX, RGB, and HSL.
Morse Code Generator
Encode and decode text to Morse code.
Color Palette Generator
Generate harmonious color palettes from any base color.
Image Compressor
Compress images in your browser — no upload to any server.
Favicon Generator
Create a favicon from a letter or emoji.
Random Date Generator
Generate random dates in a range.
Barcode Generator
Create barcodes (EAN-13, Code 128, QR) as image.
OG Image Generator
Create Open Graph social card images (1200×630).
Fake Data Generator
Generate fake names, addresses, phones for testing.
Unit & Calculator (13)
Length Converter
Convert between km, miles, m, ft, in, cm, and more.
Weight Converter
Convert between kg, lbs, oz, and grams.
Temperature Converter
Convert °C, °F, and Kelvin.
Percentage Calculator
What is X% of Y? What % is X of Y?
Data Size Converter
Convert between bytes, KB, MB, GB, TB and more.
Area Converter
Convert between m², ft², acres, hectares and more.
Volume Converter
Convert liters, gallons, ml, fl oz, cups and more.
Speed Converter
Convert km/h, mph, m/s, knots and more.
Fraction Calculator
Add, subtract, multiply, divide fractions and convert to decimal.
Discount Calculator
Calculate sale price and savings from original price and discount %.
Roman Numeral Converter
Convert numbers to Roman numerals and back.
Unit Converter
Length, weight, temperature, and data size in one page.
Aspect Ratio Calculator
Calculate aspect ratio and dimensions.
Security (12)
Password Generator
Generate strong, random passwords in one click.
Password Strength Checker
Check how strong your password is and get improvement tips.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
JWT Decoder
Decode and inspect JWT tokens (header and payload).
ROT13 Decoder
Encode and decode text with ROT13.
Caesar Cipher
Encode and decode with Caesar cipher (shift).
Password Entropy Calculator
Calculate password entropy and bit strength.
SQL Escape
Escape strings for safe use in SQL.
HMAC Generator
Generate HMAC-SHA256 from message and key.
File Hash
MD5, SHA-1, SHA-256, SHA-512 checksum of any file.
Bcrypt Generator
Hash and verify passwords with bcrypt.
Passphrase Generator
Generate memorable passphrases from random words.
Date & Time (6)
Timestamp Converter
Convert Unix timestamp to date and vice versa.
Age Calculator
Calculate age from birth date in years, months, and days.
Day of Week
Find which day of the week a date falls on.
Days Between Dates
Calculate the number of days between two dates.
Timezone Converter
Convert date and time between timezones.
Countdown Timer
Countdown to a date or use stopwatch.
Image (4)
No tools match your search.
About ToolsBox Labs
ToolsBox Labs is a collection of free online tools for text processing, web development, security, and everyday tasks. Everything runs in your browser — no signup, no install, and no need to upload your data to our servers. Writers, developers, students, and professionals can get things done faster while keeping their data 100% private.
Our tool set is continuously developed and expanded: we add new utilities and improve existing ones based on what users need. Bookmark this page and check back, or use the search bar above to find what you need. For the full story and our principles, see our About Us page.
Why Choose ToolsBox Labs
ToolsBox Labs stands apart from other online tool collections because it puts your privacy and convenience first. Every tool on this site runs entirely inside your web browser — your text, code, and data never leave your device. There is no server-side processing, no hidden uploads, and no data logging. You do not need to create an account, hand over an email address, or agree to a trial period. Just open the tool you need and start working. The entire suite is free and always will be: no premium tiers, no feature gates, and no usage limits. Our pages are lightweight and load quickly, even on slower connections or mobile networks. Whether you are a developer formatting JSON on a lunch break, a student converting units for homework, a writer counting words in an essay, or a security professional generating strong passwords, ToolsBox Labs gives you the right utility in seconds — with zero friction and complete peace of mind about your data.
How It Works
Using ToolsBox Labs is simple: pick a tool, paste or type your input, and get results instantly. All processing happens in your browser using JavaScript — nothing is uploaded to a remote server. That means your sensitive data, proprietary code, or private text stays on your machine at all times. There is nothing to install, no browser extension to enable, and no software to download. Bookmark the homepage or use the search bar to find any tool by name or keyword. Each tool page includes clear instructions, frequently asked questions, and links to related utilities so you can move between tasks quickly. ToolsBox Labs works on every modern browser and every device, from desktops to smartphones.