所有免费实用工具

Smart JSON processing with AI-powered validation

Smart CSV to JSON conversion with intelligence

JSON to CSV with intelligent flattening

Convert YAML to JSON with validation

Intelligent XML to JSON transformation

Minify or beautify with size stats

AI-powered encoding with auto-detection

Encode and decode URLs

Encode and decode HTML entities

Encode/decode with audio playback

Convert images with code snippets

Convert text ↔ binary bit sequences

Smart timestamp processing across time zones

Unix timestamp conversions

View time across multiple cities

Visual time zone grid

Exact age with fun facts

Cryptographically secure with AI strength analysis

Generate MD5, SHA hashes

Decode and analyze JWTs

Check SSL certificate info

AES-256 encrypt & decrypt text

Analyze password security & crack time

Luhn algorithm card validation

Secure one-time passwords offline

Multi-format UUID generation with collision analysis

Generate secure random strings

Generate QR codes for any content

Convert text to block ASCII art

Code 128 barcodes — download PNG

AI-powered query optimization and formatting

Advanced text analysis with NLP insights

Smart text comparison with change intelligence

Test and debug regular expressions

Parse and generate cron schedules

Compare code in 22 languages with merge & navigation

Complete guide to HTTP status codes

Decode and inspect URL components

Validate email format and structure

Validate JSON against JSON Schema

Convert between 15+ case formats

Remove duplicates with smart comparison

Sort lines in multiple ways

Clean up spaces, tabs, and empty lines

Reverse by characters, words, or lines

Add or remove line numbers

Create SEO-friendly URLs

Count characters, words, sentences & more

Flesch-Kincaid & grade level analysis

Convert numbers to English words

Convert HTML content to Markdown

Build Markdown tables visually

Pick and convert colors

Calculate and resize dimensions

Visual linear & radial gradient builder

Build layered box-shadow effects visually

Generate harmonious color palettes

Create frosted-glass UI effects

Convert HEX, RGB, HSL, HSV instantly

Discover great Google Fonts combinations

Create colorful gradient text CSS

Generate customizable SVG wave shapes

Visual flexbox layout builder

Visual CSS Grid layout builder

Find the nearest CSS color name

Generate placeholder text

Write with live HTML preview

Binary, octal, decimal, hex converter

Convert between bytes, KB, MB, GB, TB

Length, weight, volume, and more

Celsius, Fahrenheit, Kelvin, Rankine

Calculate percentages multiple ways

Find MIME types for any file extension

IPv4/IPv6 with CIDR calculations

Test download, upload, and ping

CIDR ranges, netmask & host count

Body Mass Index with health categories

Daily calorie needs & TDEE calculator

Daily hydration goal & tracker

Optimal wake-up times based on sleep cycles

TDEE, macros & meal planning

5 training zones based on max HR

Quick notes with local storage

Countdown to any date

Productivity work/break intervals

Measure your WPM and accuracy

Convert text to audio in any language

Transcribe speech using your microphone

Browse and copy 1500+ emojis

Visual task management board

Calculate the real cost of meetings

Find overlapping working hours globally

Generate professional receipts

Create printable invoices instantly

EMI with amortization schedule

Calculate tips and split bills

Convert 40+ world currencies

Calculate investment growth over time

Calculate GST/VAT for any amount

Calculate monthly payments & amortization

US net pay with tax & deduction breakdown

Instant Indian bank branch details — NEFT, RTGS, IMPS, UPI

Section 10(13A) HRA tax savings

Side-by-side FY 2024-25 comparison

EPF corpus & withdrawal eligibility

Simulate prepayments & interest saved

Calculate love compatibility percentage

Find your relationship type

Roll virtual dice with custom sides

Flip a virtual coin instantly

Resize images to any dimension

Reduce image file size instantly

Crop images with precision

Convert JPEG images to PNG losslessly

Convert PNG images to JPEG

Convert WebP to widely-compatible JPG

Convert any image to modern WebP

Convert images to PDF document

Create animated GIFs from images

Generate favicons in all sizes

Place screenshots in device frames instantly

Remove image background instantly — free, AI-powered

Extract dominant colors from any image

Generate SEO & Open Graph meta tags

Build robots.txt files visually

Estimate your personal CO₂ emissions

Turn code into beautiful shareable images — like Carbon

Visual CSS clip-path editor — drag handles to create any shape

Create Open Graph images for social sharing — 1200×630px

Accessibility-first — check WCAG AA/AAA compliance instantly

Extract text from any PDF instantly

Combine multiple PDFs into one

Split PDF by range, pages, or chunks

Convert PDF pages to PNG/JPEG/WebP

Add text watermarks to your PDFs

Rotate individual or all PDF pages

View, edit & export PDF properties

Statistics, readability & top words

Reduce PDF file size online free

Reorder, delete & duplicate pages

Convert text or Markdown to PDF

Compare two PDFs side by side

Lock or unlock password-protected PDFs

Extract text from scanned PDFs

Create professional PDF certificates

Convert HTML + CSS to PDF

Build professional resumes & CVs

Create document cover pages

Highlight, draw & annotate PDFs