工具不错
继续加油
Free
In-App PurchasesWith Ads
About
An all-in-one online toolbox offering over 1000 free utilities for calculation, conversion, image processing, PDF management, and developer tasks. Most tools run locally for enhanced privacy, providing instant access without installation.
✓1000+ free online utilities
✓Instant access, no installation
✓Local processing for privacy
✓Scientific calculator and converters
✓Image and PDF manipulation tools
✓Developer tools (JSON, Base64, hashing)
✓QR code generator and reader
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What's New in Toolkk
4.4.0
August 25, 2026
[New Features] - Added a feedback entry point within tool details, allowing direct submission of issues, suggestions, and screenshots. - Optimized app cold start and loading performance under poor network conditions for smoother tool list display. - Improved favorite status handling, search experience, and page interaction feedback. - Refined the App Store rating prompt, membership pricing display, and multilingual text. - Fixed issues related to tool navigation, login callbacks, and page stability. [New Tools] Learning & Math: 14 tools Pinyin & stroke order worksheets, vertical calculation exercises, "Make-10" method, "Break-10" method, "Flatten-10" method, learning to tell time, recognizing RMB currency, number composition and decomposition, picture-based equation formation, addition/subtraction within 20 (with regrouping), numbers within 100 & abacus/counter, interactive balance scale for comparing values, spatial orientation (up/down/left/right), 3D shape classification. Fun & Entertainment: 9 tools 2048, Number Puzzle (Klotski-style), Sokoban, Maze Generator, 3x3 Rubik's Cube, Tangram, Chinese Chess, Snake, Tetris. Documents & Productivity: 1 tool PDF to EPUB Converter.
MoreSubscription plans
Premium Monthly Membership
Purchase membership to enjoy benefits
$0.991 Month
6
In-App Purchases
$14.99
10,500 Point Craft Coins
Purchase the tools to be used within the application
User reviews
Developer apps
FAQ
What is Toolkk?
Toolkk is an all-in-one online toolbox providing over 1000 free utilities for calculation, conversion, image processing, PDF management, and developer tasks. It offers instant access without requiring any installation.
Does Toolkk have ads?
Yes, Toolkk contains advertisements. As a free application with in-app purchases, ads are displayed to support its continued development and free access to essential tools.
What types of calculators are available in Toolkk?
Toolkk offers a wide array of calculators including scientific, percentage, age, loan, mortgage, interest, BMI, date duration, and tax calculators. It also includes currency and base converters.
Can Toolkk help with image and PDF files?
Yes, Toolkk provides tools for image compression, format conversion, cropping, resizing, watermarking, and converting images to PDF. It also offers PDF conversion, compression, merging, and splitting functionalities.
What developer tools does Toolkk offer?
For developers, Toolkk includes JSON formatter/validator, XML/YAML converters, Base64 encoding/decoding, URL encoding/decoding, regex testing, timestamp conversion, hash generation (MD5, SHA1, SHA256), and JWT decoding.
How does Toolkk protect user privacy?
Toolkk prioritizes user privacy by processing most tools locally within your browser, meaning your data is not uploaded to their servers. This ensures sensitive information remains secure.
What are the subscription options for Toolkk?
Toolkk offers several subscription plans, including Premium Monthly ($0.99/month), Pro Monthly ($1.99/month), Premium Annual ($9.99/year), and Pro Annual ($29.99/year), providing access to enhanced features.
On which devices can I use Toolkk?
Toolkk is available on iPhone, iPad, and iPod. The app is designed to be accessible across various Apple devices.