All tools — 2,787 free online tools
Browse all 2,787 AltFTool tools by category — converters, PDF and image editors, calculators, developer utilities and generators. Search by name or task; every tool opens free in your browser with no account and no paid tier.
Featured categories
Jump into the most-used tool collections.
Explore Tools2,787
Showing 24 of 2,787
Tools for what you do
Ready-made kits for the jobs people come here for most.
For students
Grades, attendance, citations and revision, sorted.
- GPA / CGPA Calculator
- Percentage Calculator
- Attendance Percentage Calculator
- Scientific Calculator
- Citation Generator
- Flashcard Maker
- Text Summarizer
- Word & Character Counter
For developers
Format, decode and test without leaving the browser.
- JSON Editor
- Regex Tester
- JWT Decoder
- SQL Formatter
- cURL to Code Converter
- Cron Expression Generator
- UUID Generator
- CSV to JSON
For creators
Resize, restore and upscale images for every platform.
- Image Compressor
- Image Resizer
- Upscale Image
- Old Photo Restorer
- YouTube Thumbnail Downloader
- Meme Generator
- Image Cropper
- Voice to Text
For small business
Invoices, GST, loans and branding in a few clicks.
- Invoice Generator
- GST Calculator
- Loan EMI Calculator
- Income Tax Calculator
- Business Name Generator
- Email Signature Builder
- Currency Converter
- QR Generator
For health and fitness
Steps, BMI, calories and water, tracked privately.
- Step Counter
- BMI Calculator
- Calorie & Macro Calculator
- BMR Calculator
- Water Intake Calculator
- Heart Rate Training Zones
- TDEE Calculator
- Age Calculator
For paperwork
PDFs, photos and forms ready to submit.
- PDF Merger Tool
- PDF Compressor
- PDF Split Tool
- PDF Password Remover
- AI Passport Photo Maker
- HEIC to JPG Converter
- Resume Maker
- Image Compressor
Quick answers
How many free online tools does AltFTool have?
AltFTool has 2,787 free online tools, including API Stress Estimator, JSON Editor and CSV Converter. Each one opens on its own page in a normal browser tab.
Are AltFTool online tools free to use?
Yes. Every AltFTool tool is free, needs no account or sign-up, and has no paid tier. The site is supported by ads.
Do AltFTool online tools work on a phone?
Yes. The online tools run in the browser on phones, tablets and desktops, so there is nothing to download or install.
How do I find the right tool?
Type what you want to do into the search box at the top of this page, or pick a category. Each tool page explains what the tool does, how to use it and answers common questions about it.
Can't find what you need? Request a tool.