Everything you need.
One simple toolkit.
Free calculators, developer utilities, PDF tools, AI tools and everyday productivity tools — fast, private and easy to use.
49+ free tools and counting — no sign-up required.
Fast by default
Most tools run instantly in your browser — no waiting on a server round-trip.
Private where it matters
File-based tools process locally in your browser wherever technically possible.
Free, no sign-up
Every tool is free to use. No account, no email, no paywall in the way.
Browse by category
Find the right tool fast, organised the way you think about them.
Calculators
Financial and everyday calculations
- EMI Calculator
- GST Calculator
- Salary Calculator
Developer Tools
Fast utilities for developers
- JSON Formatter
- Base64 Encoder
- UUID Generator
PDF Tools
Work with documents directly in your browser
- Merge PDF
- Compress PDF
- PDF to JPG
Image Tools
Compress, resize and convert images
- Image Compressor
- Image Resizer
- PNG to JPG
AI Tools
AI-powered productivity utilities
- AI Resume Builder
- Cover Letter Generator
- Paragraph Rewriter
Student Tools
Tools for students and academic calculations
- CGPA Calculator
- Attendance Calculator
- Marks Percentage Calculator
Featured tools
Explore allEMI Calculator
Calculate your monthly loan EMI, total interest and payment breakdown.
SIP Calculator
Estimate the future value of your monthly SIP mutual fund investment.
Salary Calculator
Convert CTC to in-hand monthly salary with a full deductions breakdown.
JSON Formatter
Format, validate and beautify JSON with syntax highlighting.
QR Code Generator
Generate a downloadable QR code from any text, URL or contact info.
Merge PDF
Combine multiple PDF files into a single document, in your browser.
Popular right now
A toolkit built for everyday work
Toolwise brings together calculators, developer utilities, PDF and image tools, AI-assisted writing tools and student calculators in a single, consistent product — instead of hunting across a dozen ad-heavy sites for each one. Every tool is designed to be used without an account: open it, get your answer, and move on.
Where a calculation or conversion can run entirely in your browser — like formatting JSON, generating a UUID, or compressing an image — it does, which means it's fast and your data never has to leave your device. Tools that genuinely need AI, like the resume builder, clearly explain what's sent to generate a response.
Frequently Asked Questions
Yes. Every tool on Toolwise is free to use with no sign-up required. The site is supported by unobtrusive advertising, never by paywalling core functionality.
No. You can use every tool anonymously. Some conveniences like recently-used tools are saved locally in your browser, not tied to an account.
Many tools — calculators, JSON/text utilities, image and PDF processing — run entirely in your browser and never upload your data. AI tools securely send only the text you enter to generate a response. Each tool page states exactly how it handles your data.
Toolwise is built on a system designed to support thousands of tools without a redesign, and new tools are added regularly across every category.