Every tool a student needs. Free, no sign-up.
PDF, images, writing, and study helpers — every tool works the same way, and the light ones never even touch a server.
Free · No sign-up · Light tools never leave your browser
Browser-side tools never upload your files Server tools auto-delete after 1 hour
Popular tools
Audio Converter
Turn any recording into MP3, WAV, M4A, or OGG with one upload.
Compress Image
Shrink JPG, PNG, and WebP photos without leaving your browser.
Merge PDF
Combine PDFs in the order you want — right in your browser.
Scientific Calculator
Type full expressions with sin, cos, log, √, π and more — evaluated instantly, with history and an ans variable.
Word Counter
Count words, characters, and sentences as you type — English and Arabic.
Graph Plotter
Plot up to three functions of x on one grid — zoom, set the domain, and download the graph as a PNG.
Hijri Converter
Switch any date between the Umm al-Qura Hijri and Gregorian calendars instantly.
Resize Image
Scale photos to a percentage or an exact width without losing sharpness.
PDF tools
Merge PDF
Combine PDFs in the order you want — right in your browser.
Split PDF
Pull out exactly the pages you need — right in your browser.
Rotate PDF
Fix sideways scans permanently — all pages or just the ones you pick.
Organize PDF
Drag page thumbnails to reorder, rotate, or delete — then save a clean new PDF.
Compress PDF
Reduce PDF file size while keeping your document readable.
PDF to Word
Turn a PDF into an editable Word document you can fix and reuse.
PDF to PowerPoint
Turn PDF pages into editable PowerPoint slides in one click.
PDF to Excel
Pull tables out of a PDF into a spreadsheet you can actually work with.
OCR PDF
Turn scanned pages into searchable, selectable text — in English and Arabic.
Protect PDF
Lock your PDF with a password so only the right people can open it.
Unlock PDF
Remove a password you already know so the PDF opens instantly every time.
Watermark PDF
Stamp your text across every page — mark drafts, protect submissions.
Add Page Numbers
Number every page of your PDF — perfect for theses, reports, and submissions.
Flatten PDF
Lock in filled forms and annotations so nobody can change them.
PDF to JPG
Export every page as a crisp image — without your file leaving the browser.
Images to PDF
Turn photos and scans into one tidy PDF — perfect for assignment submissions.
Sign PDF
Draw your signature once and place it exactly where the form needs it.
Word to PDF
Turn your Word document into a PDF that looks identical on every device.
Excel to PDF
Turn spreadsheets into print-ready PDFs that can't be edited by mistake.
PowerPoint to PDF
Share your slides as a PDF that opens anywhere — no PowerPoint needed.
HTML to PDF
Render your HTML file with a real browser engine and save it as a PDF.
Webpage to PDF
Paste a URL and get a PDF snapshot — perfect for citing sources and reading offline.
Markdown to PDF
Turn your .md notes into a clean, printable PDF in seconds.
Image tools
Compress Image
Shrink JPG, PNG, and WebP photos without leaving your browser.
Resize Image
Scale photos to a percentage or an exact width without losing sharpness.
Crop Image
Trim photos to exactly the area you need — square, widescreen, or circular.
Convert Image
Switch between JPG, PNG, WebP, and AVIF — iPhone HEIC photos welcome.
HEIC to JPG
Make iPhone photos open everywhere — converted locally, never uploaded.
Rotate & Flip Image
Fix sideways photos or mirror them — without installing anything.
Remove Background
AI cuts out the subject and gives you a transparent PNG in seconds.
Image to Text
Turn screenshots and photos of notes into editable text — English and Arabic.
Website Screenshot
Capture any page — even full-length — without installing a browser extension.
Text & writing
Word Counter
Count words, characters, and sentences as you type — English and Arabic.
Case Converter
Fix capitalization in one click — no retyping.
Citation Generator
Reference websites, books, and journal articles in APA, MLA, Chicago, or Harvard — in seconds.
Text Diff
Spot every change between two versions of a text — highlighted instantly.
Markdown Editor
Write on one side, see the formatted result on the other — then download as .md or PDF.
Text Cleaner
Strip messy spacing, duplicates, and stray line breaks from pasted text in one click.
Lorem Ipsum Generator
Placeholder text in exactly the amount you need — paragraphs, sentences, or words.
Text to Speech
Listen to your notes and readings instead of staring at them — great for proofreading and revision.
Text to Handwriting
Type it once, get a handwritten-looking page — ruled paper, ink color, and size included.
Media & files
Audio Converter
Turn any recording into MP3, WAV, M4A, or OGG with one upload.
Audio Trimmer
Drag a region on the waveform and keep only the part you need.
Extract Audio
Save the soundtrack of any video as an MP3 or WAV file.
Video to GIF
Turn a short video clip into a GIF you can drop anywhere.
EPUB to PDF
Make any ebook printable and readable on every device.
CSV Converter
Swap between CSV, JSON, and Excel without your data leaving the browser.
Math & calculators
Scientific Calculator
Type full expressions with sin, cos, log, √, π and more — evaluated instantly, with history and an ans variable.
Graph Plotter
Plot up to three functions of x on one grid — zoom, set the domain, and download the graph as a PNG.
Matrix Calculator
Add, subtract, and multiply matrices up to 6×6 — with transpose, determinant, inverse, rank, and a linear-system solver.
Equation Solver
Solve polynomials up to cubic (with complex roots), 2×2/3×3 linear systems, and any f(x) = 0 numerically.
Statistics Calculator
Mean, median, mode, standard deviation, quartiles, and outliers — with a histogram and box plot drawn from your data.
Probability Calculator
Counting (nPr, nCr, n!), binomial distribution, and normal distribution probabilities — with z-scores, updated as you type.
Derivative Calculator
Symbolic first and second derivatives of f(x), evaluation at any point, and a live graph of f and f′ from −10 to 10.
Percentage Calculator
Four quick percentage calculators plus a tip & discount helper — every answer updates as you type.
Study helpers
Unit Converter
Instant conversions across length, weight, temperature, and more — as you type.
Hijri Converter
Switch any date between the Umm al-Qura Hijri and Gregorian calendars instantly.
Date Calculator
Count down to exam day, or find what date it will be in N days.
GPA Calculator
Term and cumulative GPA, weighted by credit hours — on 4.0 and 5.0 grading scales.
Final Grade Calculator
Know exactly what to score on the final to hit your target grade.
Pomodoro Timer
Focus in 25-minute sprints with automatic breaks and desktop notifications.
Typing Test
Find your WPM and accuracy in one minute — no sign-up.
Flashcards
Create decks, flip cards, and repeat the ones you miss — saved on your device.
QR Generator
Styled QR codes with custom colors — download crisp PNG or SVG in seconds.
Barcode Generator
CODE128, EAN-13, UPC, and CODE39 barcodes with instant validation.
Password Generator
Cryptographically random passwords with a real entropy meter — generated on your device.