Olutil stands for Online Utilities — a growing suite of privacy-first, browser-native web tools. This sub-site brings teachers and tutors a focused set of classroom-ready generators that run entirely in your browser. Build math practice sheets, vocabulary flashcards and fair random student picks — all in one place. 100% Local Processing
Generate printable addition and subtraction practice sheets by number range, rows and problem count.
Generate printable multiplication and division practice sheets by factor range and problem count.
Create printable fraction worksheets for adding, subtracting, multiplying and dividing.
Build printable decimal worksheets with one or two decimal places and an optional answer key.
Generate one-variable equations to solve, from one-step to variables on both sides.
Create printable maths word problems for the four operations, with an answer key.
Generate 9×9 Sudoku puzzles with a unique solution and three difficulty levels.
Create number sequences, pyramids, quick arithmetic and logic puzzles with answers.
Make printable letter and number tracing rows for early handwriting practice.
Turn a list of terms and definitions into a printable set of study flashcards you can cut out.
Build printable word searches with hidden words you can reveal and highlight.
Turn your own word list into a dictation or correction practice sheet.
Read an original passage and answer multiple-choice comprehension questions.
Practise tenses, agreement, prepositions and articles with an answer key.
Get story and essay prompts by genre, with key points and a length goal.
Build a printable weekly class timetable from your own subject list.
Create a printable seating plan with front-row and window requests.
Pick a student at random, with a no-repeat mode that calls on everyone before repeating.
Run a countdown or stopwatch with presets and a gentle beep when time is up.
Split a class list into random, evenly sized groups that you can reshuffle.
Combine weighted scores and convert the result to a percentage and letter grade.
See mean, median, mode, pass rate and score distribution from a list of marks.
Make a printable certificate of achievement for class rewards.
Build a printable lesson plan with objectives, materials and a timed outline.
Turn a homework list into a printable, priority-grouped checklist.
Print a multiple-choice answer sheet with questions and option letters.
Create a printable test paper with two sections and an answer key.
Make a set of different 5×5 vocabulary bingo cards to print.
Generate printable mazes with a guaranteed path from start to finish.
Build a printable two-column matching activity with an answer key.
Print shuffled card pairs for a classroom memory matching game.
All tools on this site perform their work locally in your browser. Your data is never sent to any server, so your class lists and answer keys stay on your device. Pick a tool, fill in the options, click the run button and read or copy the output.
Yes. All processing runs locally in your browser. The names, words and numbers you enter are not uploaded to any server, and you can use the tools while offline once the page is loaded.
No. Every tool works directly in your web browser using JavaScript. No plugins, extensions or software installation required.
Yes. Each tool lets you copy its output or download it as a plain text or CSV file, so you can paste it into a document, print it or share it with your class.