TuiLa1Freelancer logo

Online Tools

A comprehensive collection of free tools for image, video, text, code, finance, and more.

🖼️
Image

Compress, resize, convert and manipulate images in the browser.

🗜️

Image Compressor

Compress images client-side with quality control. Preview before & after.

compressoptimizejpg
📐

Image Resizer

Resize images by pixels or percentage. Maintain aspect ratio.

resizescaledimensions
🔄

Image Converter

Convert images between PNG, JPG and WebP formats.

convertpngjpg
📦

Base64 Image Encoder

Convert images to Base64 strings and back.

base64encodedecode
New
🎭

Image Filters

Apply grayscale, sepia, blur, brightness and contrast filters.

filtergrayscalesepia
New
💧

Image Watermark

Add custom text watermarks to images. Processed server-side.

watermarktextoverlay
New
🔃

Image Rotate & Flip

Rotate images 90°/180°/270° or flip horizontally/vertically in the browser.

rotateflipimage
🎵
Audio

Visualize and analyze audio files in the browser.

New
🌊

Audio Waveform

Upload an audio file and visualize its waveform using Web Audio API.

waveformvisualizeaudio
📄
PDF

View and work with PDF files directly in the browser.

📋

PDF Viewer

View PDF files directly in the browser with an embedded viewer.

pdfviewdocument
New
📑

PDF to Text

Extract all text from PDF files. Supports multi-page PDFs.

pdfextracttext
New
📎

PDF Merger

Merge multiple PDF files into one. Upload up to 10 PDFs.

pdfmergecombine
📝
Text

Word count, case conversion, Lorem Ipsum, diff and HTML entities.

🔢

Word Counter

Real-time word, character, sentence and paragraph counter with reading time.

wordscharacterscount
🔤

Text Case Converter

Convert text to UPPER, lower, Title, camel, Pascal, snake, kebab case.

casecamelcasesnake_case
📜

Lorem Ipsum Generator

Generate Lorem Ipsum placeholder text by paragraphs or words.

loremplaceholderdummy text
↔️

Text Diff Viewer

Compare two texts and highlight the differences.

diffcomparechanges
🔣

HTML Entities

Encode and decode HTML special characters and entities.

htmlentitiesencode
New
📝

Markdown to HTML

Convert Markdown to HTML with live preview. Supports tables, code blocks, and more.

markdownhtmlconvert
New
🔁

HTML to Markdown

Convert HTML snippets into clean plain text/markdown-like output quickly.

htmlmarkdownconvert
New
🔗

Slug Generator

Convert any text to a clean URL-friendly slug.

slugurlseo
New
📊

CSV ↔ JSON

Convert CSV to JSON and JSON to CSV with column mapping.

csvjsonconvert
New
⎋

String Escaper

Escape and unescape strings for JavaScript, HTML, URL and JSON.

escapeunescapestring
New
🔁

Text Repeater

Repeat any text multiple times with custom separator.

repeattextduplicate
💻
Code

JSON formatter, Base64, URL encode, hash, UUID, Regex, JWT and more.

{ }

JSON Formatter

Format, validate and minify JSON. Highlights errors.

jsonformatvalidate
🔐

Base64 Encoder / Decoder

Encode or decode Base64 text or files.

base64encodedecode
🔗

URL Encoder / Decoder

Encode and decode URL components.

urlencodedecode
#️⃣

Hash Generator

Generate SHA-256 and SHA-1 hashes using the Web Crypto API.

hashsha256sha1
🎲

UUID Generator

Generate UUID v4 identifiers. Bulk generate multiple UUIDs.

uuidguidrandom
🔍

Regex Tester

Test regular expressions with live match highlighting and flags.

regexregexppattern
🔑

JWT Decoder

Decode JWT tokens — view header and payload without a secret.

jwttokendecode
New
🎨

CSS Beautifier / Minifier

Beautify or minify CSS code. Remove comments and extra whitespace.

cssbeautifyminify
New
🖥️

HTML Beautifier / Minifier

Prettify or minify HTML markup with proper indentation.

htmlbeautifyminify
New
📋

XML Formatter

Format and validate XML documents with proper indentation.

xmlformatvalidate
New
🧩

JSON to TypeScript

Generate TypeScript interfaces/types from JSON payloads for faster API modeling.

jsontypescriptinterface
New
🗃️

SQL Formatter

Beautify and minify SQL queries for easier reading and debugging.

sqlformatterquery
New
📮

cURL Builder

Build cURL commands from URL, method, headers, and body for API testing.

curlhttpapi
New
🧾

HTTP Headers Parser

Convert raw HTTP headers to JSON and JSON back to raw header format.

httpheadersjson
New
🧭

URL Parser

Parse URL structure into protocol, host, path, params, and fragments.

urlparserquery
New
🪜

JSON Flatten / Unflatten

Flatten nested JSON into dot paths and reconstruct it back.

jsonflattenunflatten
New
🪪

JWT Generator (HS256)

Generate HS256 JWT tokens from custom header/payload JSON and secret.

jwttokenhs256
New
✅

UUID Validator

Validate single or bulk UUID strings and identify UUID versions quickly.

uuidvalidatorv4
New
🔏

HMAC Generator

Generate HMAC signatures (SHA-1/SHA-256/SHA-512) for API auth and webhook testing.

hmacsignaturesha256
New
❓

Query String Tool

Convert JSON objects to query strings and decode query strings back to JSON.

queryurlparams
New
🧹

JSON Sorter

Sort JSON keys recursively to keep consistent structure for diffs and reviews.

jsonsortkeys
New
📈

Semver Comparator

Compare semantic versions and detect which version is newer or equal.

semverversioncompare
🎨
Color

Color picker, palette generator and WCAG contrast checker.

🖌️

Color Picker

Pick colors and convert between HEX, RGB, HSL and CMYK.

colorhexrgb
🎨

Color Palette Generator

Generate complementary, analogous, triadic and split-complementary palettes.

palettecolor schemecomplementary
⚖️

Color Contrast Checker

Check WCAG contrast ratio between foreground and background colors.

wcagaccessibilitycontrast
🧮
Calculator

Unit converter, timestamp, number base and percentage calculators.

📏

Unit Converter

Convert length, weight, temperature, area and volume units.

unitconvertlength
⏱️

Timestamp Converter

Convert Unix timestamps to human-readable dates and back.

timestampunixdate
🔢

Number Base Converter

Convert numbers between binary, octal, decimal and hexadecimal.

binaryoctaldecimal
%

Percentage Calculator

Calculate percentages: X% of Y, X is what % of Y, percentage change.

percentpercentagecalculate
New
🎂

Age Calculator

Calculate exact age in years, months, days from a birthdate.

agebirthdaydate
New
📅

Date Difference

Calculate the difference between two dates in various units.

datedifferencedays
New
🌍

Timezone Converter

Convert date and time between different world timezones.

timezonetimeconvert
New
Ⅷ

Roman Numeral Converter

Convert between Arabic numerals and Roman numerals.

romannumeralconvert
New
🧾

Tip Calculator

Calculate tip amount and split the bill among multiple people.

tipbillsplit
📱
QR Code

Generate QR codes for text, URLs and more.

New
📲

QR Code Generator

Generate QR codes for any text or URL. Download as PNG.

qrqrcodebarcode
🎬
Video

Extract YouTube transcripts, get video metadata, and more.

New
📝

YouTube Transcript

Extract subtitles and transcripts from any YouTube video.

youtubetranscriptsubtitles
New
📊

Video Info

Fetch title, duration, view count and metadata from YouTube & TikTok.

youtubetiktokmetadata
💰
Finance

Currency converter, BMI calculator, loan calculator and more.

New
💱

Currency Converter

Convert between 170+ currencies with live exchange rates.

currencyexchangeforex
New
⚖️

BMI Calculator

Calculate Body Mass Index with health category and ideal weight range.

bmihealthweight
New
🏦

Loan Calculator

Calculate monthly payments, total interest and amortization schedule.

loanmortgageinterest
🔒
Security

Password generator, strength checker and security tools.

New
🔑

Password Generator

Generate strong random passwords with customizable options.

passwordgeneratorrandom
New
🛡️

Password Strength

Analyze password strength and get improvement suggestions.

passwordstrengthsecurity
New
🌐

IP Address Info

Look up geolocation, ISP and network info for any IP address.

ipgeolocationnetwork
New
🛡️

Security Headers Checker

Analyze website security headers like CSP, HSTS, X-Frame-Options and more.

securityheaderscsp
🌐
Network

Diagnose domains and websites with DNS, SSL, and HTTP checks.

New
🧭

DNS Lookup

Lookup A, AAAA, CNAME, MX, NS, and TXT records for any domain.

dnsa recordmx
New
🔐

SSL Certificate Checker

Inspect SSL certificate issuer, validity dates, SAN list, and days left.

ssltlscertificate
New
📡

HTTP Status Checker

Check status code, redirects, response time, and key HTTP headers.

httpstatus codeuptime
New
🏷️

Meta Inspector

Inspect title, description, canonical, Open Graph, Twitter cards, and SEO score.

seometaopen graph
New
🤖

Robots.txt Checker

Analyze robots.txt directives, user-agents, allow/disallow rules, and sitemap links.

robots.txtcrawlseo
New
🗺️

Sitemap Validator

Find sitemap.xml, validate format, and preview indexed URLs or child sitemaps.

sitemapxmlseo