Do I need to sign up?

No, most tools work as soon as you open the page.

Most tools process data locally in your browser. Exceptions are clearly marked on the tool page.

Are these tools free?

Yes, all tools are currently free to use.

Do they work on mobile?

Yes, the site is designed for both mobile and desktop browsers.

Can I use the results as official figures?

Results are for reference only. For financial, salary, tax, or legal matters, consult official sources or a qualified professional.

Free Online Tools Collection

No install, no sign-up, works on mobile and desktop. Many tools process data locally in your browser for privacy.

Search tools

More tools

Random Number PickerPick one or many random integers from a custom range.Tool🔒 Local onlyUse NowNewest

Pomodoro TimerRun focus sessions with short and long breaks in your browser.Tool🔒 Local onlyUse NowNewest

Word CounterCount words, characters, lines, paragraphs, and reading time live.Tool🔒 Local onlyUse NowNewest

Random Name PickerPick names fairly from a pasted list.Tool🔒 Local onlyUse Now

Random Group GeneratorSplit a list into random teams or fixed group sizes.Tool🔒 Local onlyUse Now

Dice RollerRoll common dice for games, classes, and quick decisions.Tool🔒 Local onlyUse NowNewest

💰 Money & Salary

Estimate salary, loans, savings, and everyday money questions with simple browser tools.

Net SalaryEstimate take-home pay after common deductions.Calculator🔒 Local onlyUse NowNewest

Overtime PayCalculate overtime pay from hours and rate multipliers.Calculator🔒 Local onlyUse NowNewest

Mortgage Payment CalculatorEstimate monthly mortgage payments from loan amount, rate, and term.Calculator🔒 Local onlyUse Now

Compound Interest CalculatorProject growth from principal, monthly deposits, rate, and time.Calculator🔒 Local onlyUse Now

Savings Goal CalculatorEstimate how long a goal takes or the monthly savings required.Calculator🔒 Local onlyUse Now

Inflation CalculatorEstimate how inflation changes future purchasing power.Calculator🔒 Local onlyUse NowNewest

⏱️ Work & Time

Plan focus sessions, dates, breaks, and workday timing without installing an app.

Pomodoro TimerRun focus sessions with short and long breaks in your browser.Tool🔒 Local onlyUse NowNewest

Countdown TimerSet a duration and count down clearly.Tool🔒 Local onlyUse Now

StopwatchTime tasks with pause, reset, and lap support.Tool🔒 Local onlyUse NowNewest

Date DifferenceCalculate days, weeks, or months between dates.Calculator🔒 Local onlyUse Now

Age CalculatorFind exact age and the next birthday countdown.Calculator🔒 Local onlyUse Now

Business DaysEstimate workdays between two dates.Calculator🔒 Local onlyUse NowNewest

Break ReminderSet gentle reminders to step away from the screen.Tool🔒 Local onlyUse NowNewest

Timestamp ConverterConvert Unix, UTC, ISO, and local date formats.Tool🔒 Local onlyUse NowNewest

🎲 Random

Generate numbers, picks, groups, and decisions for classrooms, events, and everyday choices.

Random Number PickerPick one or many random integers from a custom range.Tool🔒 Local onlyUse NowNewest

Random Name PickerPick names fairly from a pasted list.Tool🔒 Local onlyUse Now

Random Group GeneratorSplit a list into random teams or fixed group sizes.Tool🔒 Local onlyUse Now

Dice RollerRoll common dice for games, classes, and quick decisions.Tool🔒 Local onlyUse NowNewest

Random Wheel PickerSpin a visual wheel to choose from custom options.Tool🔒 Local onlyUse Now

Password GeneratorCreate strong passwords from configurable character rules.Generator🔒 Local onlyUse NowNewest

Color GeneratorGenerate HEX, RGB, HSL, and simple color palette ideas.Generator🔒 Local onlyUse NowNewest

What Should I EatChoose a meal from built-in categories or your own shortlist.Tool🔒 Local onlyUse Now

This or ThatMake a quick 50/50 choice between two options.Tool🔒 Local onlyUse Now

UUID GeneratorGenerate secure UUID v4 values in batches.Generator🔒 Local onlyUse NowNewest

✍️ Text & Writing

Count, clean, format, and review text for faster writing and editing.

Word CounterCount words, characters, lines, paragraphs, and reading time live.Tool🔒 Local onlyUse NowNewest

Character CounterCount characters, bytes, words, lines, and common platform limits live.Tool🔒 Local onlyUse Now

Case ConverterConvert text between upper, lower, title, and sentence case.Tool🔒 Local onlyUse Now

Remove Empty LinesClean pasted text by removing blank lines.Tool🔒 Local onlyUse NowNewest

Remove Duplicate LinesKeep unique lines when cleaning lists or data.Tool🔒 Local onlyUse NowNewest

Sort LinesSort multiline text alphabetically or numerically.Tool🔒 Local onlyUse NowNewest

JSON FormatterFormat, minify, and validate JSON snippets.Tool🔒 Local onlyUse NowNewest

Base64 Encoder / DecoderEncode and decode UTF-8 Base64 text locally.Tool🔒 Local onlyUse NowNewest

URL Encoder / DecoderEncode and decode URL-safe text.Tool🔒 Local onlyUse NowNewest

CSV to JSON ConverterParse CSV and convert it into formatted JSON.Tool🔒 Local onlyUse NowNewest

JSON to CSV ConverterConvert arrays of JSON objects into standard CSV.Tool🔒 Local onlyUse NowNewest

Markdown PreviewerPreview sanitized Markdown as you type.Tool🔒 Local onlyUse NowNewest

🖼️ Image & File

Compress, convert, and resize images, plus QR codes and other handy file tasks — all processed locally in your browser.

Image CompressorReduce JPG, PNG, and WebP file size locally in the browser.Tool🔒 Local onlyUse Now

Image ResizerResize images to custom dimensions locally in the browser.Tool🔒 Local onlyUse Now

PNG to JPG ConverterConvert PNG images to JPG with a chosen background color.Tool🔒 Local onlyUse Now

JPG to PNG ConverterConvert JPG or other images to lossless PNG locally.Tool🔒 Local onlyUse Now

QR Code GeneratorTurn links or text into a QR code.Generator🔒 Local onlyUse Now

Barcode GeneratorCreate Code 128, EAN-13, UPC-A, or Code 39 barcodes as PNG or SVG.Generator🔒 Local onlyUse NowNewest

JPG to WebP ConverterConvert JPG images to WebP with quality control.Tool🔒 Local onlyUse NowNewest

WebP to JPG ConverterConvert WebP to JPG with a chosen background.Tool🔒 Local onlyUse NowNewest

Image CropperUpload an image, drag to select an area, and crop to download.Tool🔒 Local onlyUse NowNewest

Image Rotate & FlipRotate an image by 90 degrees or flip it, then download.Tool🔒 Local onlyUse NowNewest

Image to Base64Convert an image to a Base64 data URI for HTML or CSS.Tool🔒 Local onlyUse NowNewest

📄 PDF Tools

Merge, split, rotate, and organize PDF files locally in your browser — nothing is uploaded.

Merge PDFCombine multiple PDFs in your chosen order locally in the browser.Tool🔒 Local onlyUse NowNewest

Split PDFSplit one PDF into single pages or custom page-range files.Tool🔒 Local onlyUse NowNewest

Images to PDFTurn ordered JPG or PNG images into one local PDF download.Tool🔒 Local onlyUse NowNewest

Rotate PDFRotate every page or selected page ranges by 90, 180, or 270 degrees.Tool🔒 Local onlyUse NowNewest

Delete PDF PagesRemove selected pages from a PDF and download the remaining document.Tool🔒 Local onlyUse NowNewest

Extract PDF PagesKeep selected pages in the order you enter and download a new PDF.Tool🔒 Local onlyUse NowNewest

PDF Page ReorderRearrange PDF pages locally in your browser.Tool🔒 Local onlyUse NowNewest

PDF to Image ConverterConvert PDF pages into PNG or JPG images.Tool🔒 Local onlyUse NowNewest

PDF CompressorRewrite PDF structure and attempt to reduce file size.Tool🔒 Local onlyUse NowNewest

✏️ Drawing & CAD

Simple 2D drafting, sketching, and diagrams right in your browser — no CAD software to install.

2D CAD Drawing BoardDraft lines, rectangles, circles, and polylines on a grid with move, zoom, and PNG/SVG export.Tool🔒 Local onlyUse NowNewest

Online SketchpadDraw freehand with brush color, size, eraser, undo, clear, and PNG export.Tool🔒 Local onlyUse NowNewest

Flowchart MakerBuild simple flowcharts with editable nodes, arrows, dragging, delete, and PNG export.Tool🔒 Local onlyUse NowNewest

Bar Chart MakerEnter labels and values to build a bar chart and export PNG.Tool🔒 Local onlyUse NowNewest

Pie Chart MakerEnter labels and values to build a pie chart and export PNG.Tool🔒 Local onlyUse NowNewest

🎓 Student & Teacher

Classroom helpers for picking students, grouping, seating, and grade calculations.

Random Student PickerPick students fairly from a class list without repeats.Tool🔒 Local onlyUse NowNewest

Seating ChartArrange classroom seating from a student list.Generator🔒 Local onlyUse NowNewest

Class Group GeneratorCreate class groups for activities and projects.Tool🔒 Local onlyUse NowNewest

GPA CalculatorEstimate GPA from credits and letter grades on a 4.3 scale.Calculator🔒 Local onlyUse NowNewest

📊 Education & Statistics Tools

Score conversion, weighted averages, standard deviation, percentages, and introductory statistics tools for educators, students, and researchers.

Grade Average CalculatorCalculate simple and weighted averages from grade entries.Calculator🔒 Local onlyUse NowNewest

Percentile Rank CalculatorCalculate percentile rank from counts below and equal to a score.Calculator🔒 Local onlyUse NowNewest

Z Score CalculatorConvert a raw score into standard deviations from the mean.Calculator🔒 Local onlyUse NowNewest

T Score CalculatorConvert a z score to a T score with mean 50 and SD 10.Calculator🔒 Local onlyUse NowNewest

Weighted Average CalculatorCalculate a weighted mean from values and weights.Calculator🔒 Local onlyUse NowNewest

Class Rank Percentile CalculatorEstimate class-rank percentile from rank and class size.Calculator🔒 Local onlyUse NowNewest

Normalized Score ConverterLinearly convert a raw score to a target mean and standard deviation.Calculator🔒 Local onlyUse NowNewest

Teacher Exam Score ConverterSimulate a weighted teacher-exam total from written, interview, and teaching scores.Calculator🔒 Local onlyUse NowNewest

Cronbach Alpha CalculatorEstimate internal consistency from respondent-by-item data.Calculator🔒 Local onlyUse NowNewest

Independent Samples t-test CalculatorRun a Welch independent-samples t test from summary statistics.Calculator🔒 Local onlyUse NowNewest

APA 7 Statistics Report GeneratorGenerate APA 7 result sentences from t, F, p, r, and common effect sizes.Generator🔒 Local onlyUse NowNewest

SPSS Result Interpretation HelperTurn structured SPSS t-test and ANOVA values into guidance and APA sentences.Tool🔒 Local onlyUse NowNewest

Standard Deviation CalculatorCompute mean, median, variance, and standard deviation from a set of numbers.Calculator🔒 Local onlyUse NowNewest

Percentage CalculatorFind a percentage of a number, ratios, and percentage change.Calculator🔒 Local onlyUse NowNewest

How to use our tools

Find the tool you need from the categories above or use the search bar.
Open the tool page and use it directly in your browser.
Results appear instantly — some tools let you copy or export.

Privacy & local processing

Most tools run entirely in your browser — your input is not uploaded to any server. The few tools that require a network call are clearly labeled on their page.

FAQ

Do I need to sign up?: No, most tools work as soon as you open the page.
Is my data uploaded?: Most tools process data locally in your browser. Exceptions are clearly marked on the tool page.
Are these tools free?: Yes, all tools are currently free to use.
Do they work on mobile?: Yes, the site is designed for both mobile and desktop browsers.
Can I use the results as official figures?: Results are for reference only. For financial, salary, tax, or legal matters, consult official sources or a qualified professional.