Drop your PDF files here
or click to browse · Up to 20 files at once

Many K-12 Schoology courses inherit ~5 MB upload ceilings. This page forces Screen + grayscale so camera worksheets fit before the deadline banner.
Drop your PDF files here
or click to browse · Up to 20 files at once
K-12 work carries a child’s name on every sheet, which is the last thing to feed to an unknown compress website. This page prepares a smaller PDF on the family device with a deliberately harsh grayscale Screen pass aimed at the tight 5 MB ceilings many school districts push onto Schoology.
Worksheet photos and permission forms are rewritten in tab memory and never reach our servers. The download goes straight into the Schoology assignment from your own device.
That local-only path keeps student data out of third-party logs while still squeezing hard enough to clear a district’s stingy quota before the deadline banner appears.
Schoology assignments frequently inherit a district-wide upload ceiling near 5 MB, one of the tightest caps in mainstream education software. A single colour photo of a worksheet, shot at full phone resolution, can consume that entire quota by itself.
Parents and students then ricochet between a red “file too large” banner and compress sites that demand an account just to try. The dependable answer is an aggressive local grayscale pass tuned for tonight’s submission rather than a keepsake print.
This page assumes that stingy cap on purpose, forcing quality down far enough that a multi-page worksheet set still fits without a login or an outside upload.
| Problem it solves | Schoology assignment over the district cap |
|---|---|
| Size check | 5 MB common district ceiling |
| Preset | Harsh Screen + grayscale · 38% JPEG |
| Colour | Forced off to survive the tiny cap |
| Privacy | Local only — you submit to Schoology |
| Sibling pages | Brightspace · Canvas |
A 5 MB gate leaves no room for politeness, so this profile drives JPEG quality down to 38 and locks grayscale outright. Handwriting stays readable for a teacher zooming in, which is the only fidelity a district worksheet actually needs.
If a specific assignment genuinely requires a colour chart, that submission does not belong behind this harsh gate — confirm a larger allowance with the teacher and use a colour preset instead of blaming the scan when a diagram turns muddy.
Because districts, not Schoology itself, set the ceiling, the practical 5 MB wall is both common and unforgiving. This page leans into that reality with the most aggressive education preset in the batch, trading colour and resolution for a submission that simply fits.
Sister LMS pages ease off as their caps loosen: Brightspace’s ~10 MB page and the familiar Canvas route both keep a little more quality. When a teacher grades on a phone rather than enforcing a byte cap, the Classroom openability page is the better fit.
A long worksheet set is easier to tame once you split it with Split PDF, then finish on Compress PDF if one page is still stubborn.
More classroom helpers, including page reordering, sit under PDF tools.
I keep this page because PDF attachment limits for Schoology kept failing with upload tools or generic presets. Here you pick the Screen/Web preset that fits the channel, compress locally, then attach. Limits and architecture are documented in Lab Notes — this URL is a micro-instrument for one job, not a keyword clone.