Work Smarter, Live Simpler.

Your Tools, Instantly.

0
Total Tools
0
Usage Count

Video Tools

Douyin No Watermark Downloader
Download Douyin videos without watermark! HD video/gallery download for Douyin, Douyin Lite & Huoshan. Get clean 1080P videos in 3 seconds. Trusted by 1.5M+ users!
 585,457  30,159
Bilibili No Watermark Downloader
Download Bilibili videos without watermark in HD quality. Parse videos/anime/movies from Bilibili. Get clean videos in 3 seconds!
 358,525  19,107
Xiaohongshu Watermark Remover
Free Xiaohongshu download tool removes watermarks from videos & photos instantly. Download HD content in 3 clicks. No registration required. Works on all devices.
 59,301  17,703
Kuaishou No Watermark Downloader
Support Kwai video download without watermark, Kwai story and photo batch download.
 232,938  4,603

Music Tools

QQ Music Parser
Free QQ Music download tool extracts lossless audio & lyrics. Bypass VIP restrictions, download FLAC/MP3 files instantly. No registration required. Supports all devices.
 68,093  19,610

Office Tools

Free Online PDF to Word Converter
Free online PDF to Word conversion, supports scanned PDF OCR, batch processing, lossless format preservation, no watermark, multi-device compatible and file security guaranteed
 23,400  3,770
Free Online PDF to DOC Converter
Free online PDF to DOC conversion, support OCR for scanned documents, batch conversion, preserve original format, no watermark, works on all devices with file security
 22,611  3,932
Free Online PDF to DOCX Converter
Free online PDF to DOCX conversion, support OCR for scanned DOCXuments, batch conversion, preserve original format, no watermark, works on all devices with file security
 21,450  3,785
Free Online PDF to PowerPoint Converter
Free online PDF to PowerPoint conversion, support OCR for scanned documents, batch conversion, preserve original format, no watermark, works on all devices with file security
 29,145  3,032
Free Online PDF to PPT Converter
Free online PDF to PPT conversion, support OCR for scanned documents, batch conversion, preserve original format, no watermark, works on all devices with file security
 38,295  3,035
Free Online PDF to PPTX Converter
Free online PDF to PPTX conversion, support OCR for scanned documents, batch conversion, preserve original format, no watermark, works on all devices with file security
 48,177  3,429
Free Online PDF to Image Converter
Free online PDF to image conversion, support batch conversion, custom image quality, high definition preservation, no watermark, works on all devices with file security
 28,176  3,560
Free Online PDF to JPG Converter
Free online PDF to JPG conversion, support batch conversion, custom image quality, high definition preservation, no watermark, works on all devices with file security
 20,125  3,423
Free Online PDF to PNG Converter
Free online PDF to PNG conversion, support batch conversion, transparent background preservation, lossless image quality, no watermark, works on all devices with file security
 24,282  3,284
Free Online PDF to TIFF Converter
Free online PDF to TIFF conversion, support multi-page TIFF generation, lossless compression, print-ready resolution, professional image format conversion with file security
 21,414  3,224
Free Online PDF to BMP Converter
Free online PDF to BMP conversion, support batch conversion, lossless bitmap output, high quality image conversion, professional format support with file security
 20,449  3,357

Image Tools

Bulk Image Compression
Free online tool compresses JPG, PNG, GIF, WEBP images without quality loss. Batch process 20 files at once. Reduce image size up to 90% instantly. No registration required.
 60,467  19,200
Image Watermark Generator
Add professional watermarks to images online. Batch process photos with text/logo watermarks. 100% client-side processing ensures privacy. Supports PNG/JPG/WEBP formats with anti-copy protection.
 87,108  13,224
Professional Image Format Converter
Convert between 20+ image formats with bulk processing and AI optimization. 100% client-side privacy protection
 46,754  6,564
Professional Image Cropping Tool
AI-powered cropping with batch processing and 100% client-side privacy protection
 43,454  9,912
Professional GIF Animation Creator
Convert 4K video to GIF or create animations from images with frame-by-frame editing. 100% client-side privacy protection
 42,316  11,080
Professional Image to JPG Converter
Convert 20+ image formats to JPG with batch processing. 100% client-side privacy protection
 43,395  6,515
Professional Image to PNG Converter
Convert images to PNG with alpha transparency preservation and lossless compression. 100% client-side processing
 38,810  5,618
Professional Image to WEBP Converter
Convert images to WEBP format without downloading. Use WebAssembly technology, 5x faster than traditional tools, and 90% smart compression rate, perfect EXIF metadata preservation.
 36,604  6,158
Professional Image to AVIF Converter
Convert images to AVIF format without downloading. Use WebAssembly technology, 5x faster than traditional tools, and 90% smart compression rate, perfect EXIF metadata preservation.
 36,978  5,380
Professional AI Photo Editor
Free web-based image editor with neural network technology. Reduce file size by 95% without quality loss. Supports bulk editing and modern formats like AVIF
 39,032  6,175
AI-Powered Image Upscaler
4K super resolution with GAN technology, up to 8X enlargement without quality loss
 41,918  6,201

Seal Tools

Round Seal Maker
Online professional seal generator, support corporate seals, contract seals, and financial seals
 31,229  5,316
Round Seal Maker (English)
Online professional seal generator, support corporate seals, contract seals, and financial seals
 31,987  5,435
Online Seal Generator
Create professional seals online, support for official seals, contract seals, financial seals and more
 29,157  4,793
Online Branch Company Seal Generator
Create professional seals for branch companies and subsidiaries online, support for branch official seals, contract seals, financial seals and more
 27,463  4,513
Online Contract Seal Generator
Create professional and compliant contract seals online, support for customizing text, style, and registration codes
 24,572  4,241
Online Business Seal Generator
Create professional business seals online, support for department stamps, project seals and various business-specific seals
 21,212  3,811
Seam Seal Generator
Generate professional seam seals online, suitable for contracts, documents and other multi-scene sealing
 22,283  3,595
Fingerprint Seal Generator
Generate professional fingerprint seals online, including personal fingerprint stamps and anti-counterfeit fingerprint seals
 22,191  3,760
Online Oval Seal Generator
Create professional oval seals online, support for oval official seals, contract seals, financial seals and various types
 22,655  3,607
Online Invoice Seal Generator
Create professional invoice seals online, support for stamps with tax ID, company name, and compliant design
 40,761  5,055
Online Customs Declaration Seal Generator
Create professional customs declaration seals online, support for stamps with customs codes, company names, compliant with customs regulations
 17,866  2,963
Online Fee Seal Generator
Create professional fee seals online, support for payment received stamps, receipt approved seals, and compliant design
 20,677  3,017
Cash Receipt Seal Generator
Generate professional cash receipt seals online, including payment stamps and electronic cash receipt stamps
 13,899  2,146
Financial Seal Generator
Generate professional financial seals online, including electronic financial stamps and company financial chops
 21,705  2,361
Diamond Seal Generator
Generate professional diamond seals online, including business and department-specific types
 14,318  1,991
Cost Estimation Seal Generator
Generate professional cost seals online, including engineering cost seals and cost engineer stamps
 16,416  1,937

Life Tools

Bank Card Information Lookup
Free online tool identifies bank card issuer, card type and bank code instantly. Supports debit/credit/prepaid cards from 2000+ global banks with accurate BIN database.
 104,602  40,270
Mobile Number Location Finder
Free online tool identifies mobile number carrier and geographical location instantly. Supports all Chinese carriers (China Mobile/Unicom/Telecom) with precise city-level location data.
 66,842  17,793
Identify Scam Numbers
Free online tool detects spam calls and identifies phone number location/carrier. Check unknown numbers with 200M+ global database. Protect against fraud calls and telemarketers instantly.
 87,413  18,536
Chinese ID Card Checker
Free online tool validates Chinese ID card numbers (15/18 digits). Check registration region, birth date, gender and verify authenticity instantly. Supports GB11643-1999 standard.
 88,732  38,236
15-digit to 18-digit ID Converter
Free online tool converts 15-digit Chinese ID numbers to 18-digit format instantly. Automatically calculates check digit per GB11643-1999 standard. 100% compliant with official requirements.
 59,710  87,322
Universal Parcel Tracking System Express
Free global parcel tracking tool. Real-time updates for SF Express, DHL, UPS, FedEx and 1000+ carriers. Automatically identify courier from tracking number with 99% accuracy.
 95,829  38,589
RMB Capitalization Converter
Free online tool converts Arabic numbers to formal Chinese capital characters for RMB. Supports billion-level integers and cent-level decimals. Essential for financial documents and contracts.
 100,087  37,613
WeChat Chat Generator
Free online WeChat chat generator. Create realistic fake WeChat conversations screenshots with custom avatars, names and messages. No installation needed for WeChat private/group chat simulation.
 41,102  10,001
Coupon
Taobao coupons, Tmall coupons, JD.com coupons, Pinduoduo coupons, food delivery coupons, 11.11 large-value coupons, free coupons, internal coupons, coupon platforms, coupon websites, coupon malls - find coupons at Wuai Coupons
 27,081  3,134

Calculator Tools

Blood Type Inheritance Calculator
Free online Blood Type Inheritance Calculator. Scientifically predict possible baby blood types based on parental blood groups using Mendelian inheritance rules with probability percentages.
 88,377  40,780
China Social Insurance
Free online calculator for China\'s Five Insurances and One Fund. Accurately compute social security, housing fund contributions and income tax for 368 cities. Compare gross vs net salary instantly.
 330,207  116,481
Smart Mortgage Calculator
Free mortgage calculator compares equal principal & equal installment methods. Calculate monthly payments, total interest, and generate amortization schedule for Chinese home loans with latest LPR rates.
 87,803  42,343
China Housing Fund Calculator
Free China Housing Fund Loan Calculator for 2025 Compare equal principal & equal installment methods, calculate monthly payments with low rates (3.1%-3.575%), generate amortization schedule and estimate maximum loan amount.
 110,841  64,822
China Combination Loan Calculator
Free Combination Loan Calculator for China. Compare commercial loan + housing fund options, calculate monthly payments with ' . $year . ' rates (3.1%-4.5%), generate amortization schedule and optimize your mortgage plan.
 101,991  35,233
Mortgage Prepayment Calculator
Free mortgage prepayment calculator for 2025. Compare lump sum vs partial prepayment options, calculate interest savings for both equal principal and equal installment methods.
 104,323  63,269

Chart Tools

Interactive Bar Chart Creator
Make customizable bar charts online for free. Import Excel data, apply 20+ templates, and export as JPG/PNG/PDF. Perfect for reports, presentations, and dashboards with real-time editing.
 109,952  31,949
Professional Line Chart Creator
Make customizable line charts online for free. Import time-series data, add trend lines, highlight extremes, and export as HD PNG/JPG/PDF. Perfect for data analysis, reports, and presentations.
 105,298  25,941
Interactive Pie Chart Creator
Make interactive pie charts online for free. Import Excel data, customize colors and labels, export as HD PNG/JPG/PDF. Perfect for reports, presentations, and data analysis with real-time editing.
 117,577  41,197
Interactive Sunburst Chart Generator
Create professional sunburst charts online for free. Visualize multi-level hierarchical data with interactive drill-down. Export as HD PNG/JPG/PDF/SVG with real-time editing and 20+ templates.
 72,806  15,447
Interactive Tree Diagram Creator
Create professional tree diagrams online for free. Design organizational charts, mind maps, and directory structures with drag-and-drop ease. Export as PNG/PDF/SVG with real-time collaboration features.
 102,644  48,475
Professional Doughnut Chart Creator
Create interactive doughnut charts online. Visualize data proportions with customizable rings. Export as print-ready PNG/PDF/SVG. Perfect for business reports and presentations with 30+ templates.
 74,383  11,687

Network Tools

IP Address Geolocation Lookup
Free IP geolocation lookup tool. Accurately locate any IP address worldwide, identify ISP and ASN information. Supports IPv4/IPv6 with enterprise-grade API integration.
 124,010  67,346
Browser Information Analyzer
Comprehensive browser information detection tool. Analyze 32+ client parameters including OS, browser version, screen resolution, plugins, and generate unique browser fingerprint.
 74,106  13,984
WebSocket Connectivity Test
Professional WebSocket testing tool for real-time server connectivity verification. Supports ws:// and wss:// protocols, sends test messages and captures server responses. Ideal for API development and real-time app debugging.
 78,756  14,886
Free Public DNS Resolver List
Comprehensive list of 30+ free public DNS servers worldwide. Compare Cloudflare (1.1.1.1), Google DNS (8.8.8.8), OpenDNS and others with speed test data. Enhance internet security and browsing speed with optimized DNS settings.
 68,420  13,400
JSON Parser & Formatter Tool
Free online JSON tool: Beautify, minify, validate and parse JSON in real-time. Convert JSON to Java/C# classes, handle Unicode/Chinese conversion, generate GET parameters with syntax error highlighting.
 93,418  35,565
JSON to C# Class Converter
Instant C# POCO class generator from JSON. Supports nested objects, array type detection, and generates Newtonsoft.Json / System.Text.Json annotations with property renaming, default values, and null handling.
 69,178  12,053
JSON to Java POJO Converter
Instant Java POJO class generator from JSON. Supports nested objects, generic collections, and auto-generates Gson/Jackson annotations with Lombok integration. Handles date formats, circular references, and null safety.
 92,347  15,120

Video Tools

Douyin No Watermark Downloader Bilibili No Watermark Downloader Xiaohongshu Watermark Remover Kuaishou No Watermark Downloader

Music Tools

QQ Music Parser

Office Tools

Free Online PDF to Word Converter Free Online PDF to DOC Converter Free Online PDF to DOCX Converter Free Online PDF to PowerPoint Converter Free Online PDF to PPT Converter Free Online PDF to PPTX Converter

Image Tools

Bulk Image Compression Image Watermark Generator Professional Image Format Converter Professional Image Cropping Tool Professional GIF Animation Creator Professional Image to JPG Converter

Seal Tools

Round Seal Maker Round Seal Maker (English) Online Seal Generator Online Branch Company Seal Generator Online Contract Seal Generator Online Business Seal Generator

Life Tools

Bank Card Information Lookup Mobile Number Location Finder Identify Scam Numbers Chinese ID Card Checker 15-digit to 18-digit ID Converter Universal Parcel Tracking System Express

Partners

淘宝天猫免费优惠券

Copyright ©2020-2025 52GJ Tools | 沪ICP备2024072396号-1

Privacy Policy | Terms of Service | | Article