Small spells for everyday work
The Magic Codex is a growing book of free, fast online tools — built by one independent developer. No sign-up, no clutter, no tracking. New pages are inscribed regularly.
Open the codex
Every tool is free and works right in your browser.
Citation Generator
Accurate citations in APA 7th, MLA 9th, Chicago, and Harvard. Websites, books, journals, YouTube — with URL, DOI, and ISBN auto-lookup.
Open tool → LiveGPA Calculator
Semester and cumulative GPA with weighted scales, plus a planner that tells you exactly what you need to hit your target.
Open tool → LiveWord Counter
Count words and estimate reading time instantly.
Open tool → LiveGrade Calculator
“What do I need on my final?” — answered.
Open tool → LivePomodoro Timer
Focus sessions with clean, simple timing.
Open tool → LiveRandom Student Picker
Fair, no-repeat classroom picker for teachers.
Open tool → LiveScientific Calculator
Trig, logs, powers, factorials — full keypad.
Open tool → LivePercentage Calculator
Percent of, percent change, increase/decrease.
Open tool → LiveUnit Converter
Length, weight, temperature, and more.
Open tool → LiveTyping Speed Test
Measure your words per minute and accuracy.
Open tool → LiveStudent Budget Calculator
Plan spending on a student budget.
Open tool → LiveAttendance Calculator
How many classes can you miss and still pass?
Open tool → LiveTip Calculator
Split the bill fairly in seconds.
Open tool → LivePassword Generator
Strong, random passwords on demand.
Open tool → LiveCase Converter
UPPER, lower, Title Case and more.
Open tool → LiveCountdown Timer
Count down to exams, deadlines, events.
Open tool → LiveFlashcard Maker
Spaced-repetition flashcards for any subject.
Open tool → LiveResume Builder
Clean templates, export to PDF.
Open tool → LivePDF Tools
Merge and compress PDFs for submissions.
Open tool → LiveTimetable Maker
Build your weekly class schedule.
Open tool → LiveText-to-Speech Reader
Hear your essay read aloud for proofreading.
Open tool → LiveAge Calculator
How old are you, exactly? Years, months, days.
Open tool → LiveDate Calculator
Days between dates, plus date arithmetic.
Open tool → LiveBMI Calculator
Body mass index with healthy-range guidance.
Open tool → LiveLoan Calculator
Monthly payments, interest, amortization table.
Open tool → LiveCompound Interest Calculator
Project savings growth with contributions.
Open tool → LiveQR Code Generator
Free QR codes for URLs and text. PNG download.
Open tool → LiveJSON Formatter
Validate, format, and minify JSON.
Open tool → LiveLorem Ipsum Generator
Placeholder text by paragraph or word.
Open tool → LivePeriodic Table
Interactive table of all 118 elements.
Open tool → LiveTime Zone Converter
Convert times across zones; plan meetings.
Open tool → LiveColor Picker
Hex/RGB/HSL converter, palettes, contrast checker.
Open tool → LiveRandom Number Generator
Random numbers, dice, coin flip, shuffler.
Open tool → LiveStopwatch
Precision stopwatch with lap times.
Open tool → LiveBase64 Encoder
Encode and decode Base64, URL-safe too.
Open tool →Why the codex
Free, really
No accounts, no paywalls on the basics, no “free trial” tricks. The tools are the product, not you.
Private by design
Everything runs in your browser. Your courses, grades, and bibliographies never leave your device.
Fast and focused
One page, one job. No dashboards, no clutter — open the tool, get the answer, get back to work.
Questions, answered
- Is The Magic Codex really free?
- Yes. Every tool is free to use with no sign-up. The project is kept alive by voluntary donations.
- Do I need an account?
- No. There are no accounts at all — open a tool and use it.
- Is my data sent anywhere?
- No. Tools like the GPA calculator store your entries only in your own browser. Nothing is uploaded or tracked.
- What tools are coming next?
- Grade calculator, pomodoro timer, percentage calculator, unit converter, random student picker, scientific calculator, and more from the codex.
- Who makes The Magic Codex?
- One independent developer. If a tool saves you time, the donate link keeps new pages coming.
Kept alive by readers like you
Every tool in the codex is free. If they save you time, a small donation inscribes new pages.
Donate