Fast by default
Every tool runs in your browser and loads in a blink. No spinners, no waiting rooms.
A growing toolbox · 100% free
Small tools. Zero friction. Built for people who just want it done.
Coderzpassion is a home for fast, focused online tools, with no sign-ups, no paywalls, no clutter. Pick a tool, get your result, move on with your day.
- 18
- live tools
The toolbox
Pick a tool and go
Each tool is built and tested in-house, then paired with a short guide so you know exactly how to use it.
Generator
Gaming Name Generator
Spin up usernames that actually sound cool.
Generate unique gamer tags, clan names, and usernames across 14 styles, from aggressive and dark to cute and minimal. Mix styles, filter by length, and copy in one tap.
Gaming Open tool
Test
FPS Test
Measure your real frame rate in the browser.
A free FPS tester and frame rate test that measures your average, min, max, and 1% low FPS, estimates your refresh rate, and runs a smoothness and ghosting check. Pick a load and duration, then hit start.
Gaming Open tool
Test
CPS Test
Check your clicks per second.
A free CPS test and click speed test that counts how fast you can click. Pick a 10, 20, 30, or 45 second or 1 minute window, or set your own custom time, then see your clicks per second, peak speed, total clicks, and skill rank.
Gaming Open tool
Maker
Tier List Maker Pro
Build, rank, and share tier lists in seconds.
A free online tier list maker that lets you add your own images or text, drag items into S, A, B, C, and D tiers, rename and recolor rows, then export your tier list as a PNG image or PDF. No sign-up, runs fully in your browser.
Creator Open tool
Calculator
Sun, Moon & Rising Sign Calculator
Find your big three in one quick chart.
A free sun moon and rising sign calculator. Enter your birth date, time, and place to find your sun sign, moon sign, and rising sign, with a short read on what each one says about you. Runs in your browser, no sign-up.
Astrology Open tool
Calculator
Chronological Age Calculator
Find your exact age down to the day.
A free chronological age calculator. Enter your date of birth to get your exact age in years, months, and days, plus your age in weeks, days, hours, and minutes, the day you were born, and your next birthday countdown.
Calculator Open tool
Generator
Fancy Font Generator
Turn plain text into cool, stylish fonts.
A free fancy font generator. Type any text and copy cool fonts and stylish names for Instagram, Facebook, and Adopt Me. Bold, cursive, gothic, bubble, and aesthetic fancy text that pastes into bios, captions, and game names.
Creator Open tool
Tool
Tap Tempo BPM Counter
Tap to find the tempo, then play along.
A free tap tempo BPM counter and metronome. Tap along to any song to find its tempo in beats per minute, then use the built-in metronome with adjustable BPM, time signature, and an accented first beat.
Music Open tool
Picker
Yes or No Picker Wheel
Spin the wheel for a quick yes or no.
A free Yes or No picker wheel. Spin the wheel to get a fast, fair yes or no answer when you cannot decide. This picker wheel supports 50/50, maybe, and weighted modes, and runs fully in your browser.
Random Open tool
Picker
Random Choice Picker
Add options, spin, get a random pick.
A free random choice picker and wheel spinner. Add your options, spin the wheel of names, and let this random choice generator make a fair random pick for you. Your list stays saved in your browser.
Random Open tool
Generator
Random List Generator
Shuffle any list into a random order.
A free random list generator. Paste any list and shuffle it into a fair random order with one click. Remove duplicates and blank lines, then copy the randomized result. Runs in your browser.
Random Open tool
Generator
Random Number Generator
Generate random numbers in any range.
A free random number generator. Pick a range and how many numbers you need, then generate random numbers instantly. Choose unique numbers for draws or allow repeats for dice rolls, and sort the result.
Random Open tool
Calculator
CGPA to Percentage Calculator
Convert CGPA to percentage and back.
A free CGPA to percentage calculator that also converts percentage to CGPA. Pick your grading scale (10, 4, or 5 point), enter your CGPA or percentage, and get an instant, accurate result with the formula shown.
Calculator Open tool
Calculator
GPA to Percentage Calculator
Convert GPA to percentage and back.
A free GPA to percentage calculator that also converts percentage to GPA. Choose a 4, 5, or 10 point GPA scale, enter your value, and get an instant conversion with the exact formula used.
Calculator Open tool
Converter
Free Image Converter
Convert images to AVIF, WebP, PNG, JPG, and more.
A free online image converter. Upload your images and convert them to AVIF, WebP, PNG, JPG, JPEG, and BMP right in your browser. Batch convert, set quality, and download. Your files never leave your device.
Creator Open tool
Calculator
Concrete Calculator
Work out how much concrete you need.
A free concrete calculator for slabs, footings, walls, columns, and round tubes. Enter your dimensions in feet, inches, or meters to get the volume in cubic yards and cubic meters, plus an estimate of 60 lb and 80 lb bags.
Calculator Open tool
Calculator
Cement Calculator
Estimate cement, sand, and aggregate.
A free cement calculator. Enter your concrete volume and grade (M5 to M25) to estimate the cement bags, sand, and coarse aggregate you need, with the dry volume and mix ratio shown step by step.
Calculator Open tool
Tool
Online Ruler
A real-size ruler in centimeters and inches.
A free online ruler that shows actual size on your screen. Calibrate it once to your display and measure in centimeters and inches right in the browser. Great for quick measurements when no tape measure is handy.
Calculator Open tool
Why Coderzpassion
Tools should respect your time
Private by design
Tools that process your input do it locally where possible. We're not after your data.
Genuinely free
No trials, no locked features. Ads keep the lights on so the tools stay open to everyone.
Made by hand
We build and test each tool ourselves, then write the guide that goes with it.
Browse by category
Find the right tool faster
The toolbox is grouped by what you are trying to do. Jump straight to the area you need.
Gaming
3 toolsGenerate gamer tags, measure your FPS, and check your click speed.
OpenCreator
3 toolsMake tier lists, style your text, and convert images in your browser.
OpenRandom
4 toolsSpin wheels, pick names, shuffle lists, and roll random numbers.
OpenCalculators
3 toolsQuick math for your grades, exact age, and percentages.
OpenConstruction
3 toolsEstimate concrete and cement, and measure with an on-screen ruler.
OpenCounters
1 toolFind the tempo of any track and play along with a built-in metronome.
OpenAstrology
1 toolFind your sun, moon, and rising signs from your birth details.
OpenHow it works
Three steps, no setup
- 1
Pick a tool
Browse the grid or use a category above to find what you need. There is no sign-up to slow you down.
- 2
Enter your details
Type, paste, click, or drag in your input. Each tool works in your browser, so results show up right away.
- 3
Get your result
Copy, download, or share what you made, then move on. Nothing is saved to a server you cannot see.
Common questions
Good to know
Are the tools really free?
Yes. Every tool on Coderzpassion is free to use with no account, no trial, and no locked features. Ads keep the site running so the tools stay open to everyone.
Do I need to sign up or install anything?
No. The tools run right in your browser. There is nothing to download and no sign-up, so you can open a tool and get your result straight away.
Is my data private?
Where a tool processes what you type, it does the work on your device whenever possible, so your input is not uploaded to a server. Tools that save your settings or history use your browser local storage, which stays on your device.
Do the tools work on mobile?
Yes. The tools are built to work on phones, tablets, and desktops. A few, like the CPS test, even support touch so you can use them on a phone screen.
How often are new tools added?
The toolbox keeps growing. We currently have 18 live tools and add more over time, along with updates to the guides that go with each one.