EduBuilders Toolbox
Small tools to solve small problems — fast.
No login, no signup, no fuss. Come in, solve an Instructional Design task in seconds and get back to work.
Pick a task
Course duration
Paste a script and get narration, reading and time with pauses.
OpenObjective validator
Paste a learning objective and see if it's observable and measurable.
OpenLesson diagnosis
Paste a lesson script and check opening, context, application and closing.
OpenLearning load
Estimate total effort: videos, texts, activities, practice and reflection.
OpenProject pricing
Estimate hours, cost and price of an educational project by checking each part of the work.
OpenHourly rate calculator
Find a minimum hourly rate from your salary, costs, taxes and billable hours.
OpenVersion comparator
Paste two versions of a script and see what changed between them.
OpenWord counter
Words, characters, reading and narration time in real time.
OpenContrast checker
Check color contrast against WCAG levels AA and AAA.
OpenAssessment of Assessments
Find out whether your objectives, activities and assessments are truly aligned.
OpenInterleaved Practice
See if content is too blocked together and where to interleave related topics.
OpenCognitive Load
Find parts of the material that may overload the learner.
OpenForgetting Curve
Which objectives deserve new retrieval opportunities over time.
OpenSpaced Distribution
Try different distributions of practice over time.
OpenNo tools in this category yet. Coming soon.
"Not just another collection of AI wrappers."
Each tool embeds the judgment of someone who actually works in Instructional Design. We prioritize what's deterministic and useful — technology stays in the background. You just want to solve the problem.