It’s like Slack and Google Drive had a baby.

USD list prices checked October 5, 2026, before tax or promotions. The calculator upgrades Workspace Standard to Plus and Dropbox Standard to Advanced when more storage is needed. Dropbox Advanced has a three-license minimum; storage assumes active licenses. Beyond these included allowances, an add-on quote is required. It does not model extra seat purchases or negotiated storage add-ons. Smol estimates R2 storage only; requests, AI/compute and billing adjustments are extra. Free-tier credits are excluded. Existing Workspace storage may cost nothing extra, and full bundles can be cheaper per GB.

GB includes originals, versions, backups and previews. Changing the total scales the example breakdown, not retention settings. Billing is planned.

Historical 100 MiB times: Smol 11.7–14.2s, Google Drive 3.9–7.0s, Dropbox 5.7–11.5s. These pre-adaptive timings are two browser uploads per service on one Mac/network, payload start through commit. Accounts differed and repeated bytes may benefit caching. They do not predict your archive’s transfer time. Peer browser concurrency and reload recovery were not measured; resumable APIs are documented capabilities.

Smol now shares an adaptive 1–4-part budget across files, with pause and checkpoint recovery. The legacy-drive bars use the previous Smol serial uploader’s local medians as a proxy, based on the founder’s estimate that legacy-drive performance is approximately equivalent. They are estimates, not measured Google Drive or Dropbox timings. Smol bars show three-trial local medians with no added delay; each pair has its own time scale. Small batches are 32 × 64 KiB; mixed batches are 40 MiB + 10 MiB + eight 64 KiB files. The full 48-transfer matrix also includes 100 ms added delay per part. Repeated isolated tests improved local wall time 1.36–2.57× across 100 MiB, 1 GiB, small-file and mixed uploads. A fresh 100 MiB live upload reached three concurrent parts and its downloaded hash matched; one run took 19.4 seconds from payload start through commit. These results do not establish a production speed advantage over peers. Smol’s 25 GiB file limit and six-hour media limit are configured ceilings, not maximum-size benchmarks; processing budgets apply.