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Crates / data-encoding

Rust crate · real downloads · data Oct 24, 2026

data-encoding downloads, and should you depend on it?

Efficient and customizable data-encoding functions like base64, base32, and hex crates.io · docs · repository

EstablishedShould you depend on data-encoding? The data says

Established and steady.

data-encoding: 854 crates depend on it; downloads don't spike on releases.

1.4Mreal downloads a day (quiet-day median)
854crates depend on it
3 monthssince the last release (2.11.1)
+9%quiet-day trend vs the field, 90 days
How this verdict is decided (4 rules)
  • Usage: crates.io reverse dependencies (crates that list it as a dependency): 10,000+ = foundational, 1,000+ = widely used, 100+ = established, under 100 = few direct dependents.
  • Direction: the median quiet day in the last 30 days of the window against the first 30, read against the median tracked crate (the whole field moved +36% from late summer to October, so a raw trend says nothing). 10%+ ahead of the field = gaining; 10%+ behind = losing ground; otherwise steady. Steady with no release in 2+ years = quiet for years.
  • Release spikes: the median release-window day against the quiet-day baseline: under 1.15x = no spike, 1.15x to 1.3x = small bumps, 1.3x or more = jumps on release days.
  • Release recency: days since the newest version that was not yanked, from crates.io publish times.
Data: crates.io API, Jul 27, 2026 to Oct 23, 2026, fetched Oct 24, 2026. Downloads are not users: read the baseline as steady use, not a head count.
1M2M2026-07-27: 1,195,6552026-07-28: 1,291,7292026-07-29: 1,278,8372026-07-30: 1,241,9452026-07-31: 1,169,5002026-08-01: 757,9142026-08-02: 694,8902026-08-03: 1,232,867 (release window)2026-08-04: 1,354,506 (release window)2026-08-05: 1,335,0782026-08-06: 1,099,3842026-08-07: 1,288,1382026-08-08: 742,4812026-08-09: 711,6012026-08-10: 1,238,0762026-08-11: 1,326,9022026-08-12: 1,345,5872026-08-13: 1,416,1512026-08-14: 1,328,5212026-08-15: 795,2152026-08-16: 779,1362026-08-17: 1,259,5132026-08-18: 1,385,8692026-08-19: 1,321,5062026-08-20: 1,474,6722026-08-21: 1,379,8882026-08-22: 836,2842026-08-23: 821,4102026-08-24: 1,387,9342026-08-25: 1,455,1682026-08-26: 1,455,4012026-08-27: 1,485,2302026-08-28: 1,439,8752026-08-29: 863,1432026-08-30: 808,2672026-08-31: 1,366,1402026-09-01: 1,586,7052026-09-02: 1,628,5412026-09-03: 1,624,0872026-09-04: 1,490,6242026-09-05: 994,4342026-09-06: 919,9742026-09-07: 1,256,5172026-09-08: 1,574,1732026-09-09: 1,634,4612026-09-10: 1,593,0972026-09-11: 1,432,8172026-09-12: 917,6242026-09-13: 832,1972026-09-14: 1,569,3922026-09-15: 1,762,4652026-09-16: 1,617,8242026-09-17: 1,677,9102026-09-18: 1,550,1222026-09-19: 943,0312026-09-20: 957,9452026-09-21: 1,577,7502026-09-22: 1,661,2122026-09-23: 1,730,8602026-09-24: 1,755,9942026-09-25: 1,634,6362026-09-26: 1,047,1522026-09-27: 1,057,0822026-09-28: 1,853,7642026-09-29: 1,904,3542026-09-30: 1,864,8542026-10-01: 1,910,5242026-10-02: 1,813,9932026-10-03: 1,184,3752026-10-04: 1,109,7572026-10-05: 1,755,7842026-10-06: 1,996,2782026-10-07: 2,021,2972026-10-08: 2,104,7492026-10-09: 1,947,9502026-10-10: 1,327,7952026-10-11: 1,202,2812026-10-12: 1,835,7922026-10-13: 2,147,4082026-10-14: 2,302,6232026-10-15: 2,209,8732026-10-16: 2,063,5112026-10-17: 1,297,1262026-10-18: 1,237,9292026-10-19: 2,188,8522026-10-20: 2,346,8112026-10-21: 2,484,1012026-10-22: 2,495,5352026-10-23: 2,347,312Jul 27Aug 1Sep 1Oct 1

release window (release day + next day)quiet dayquiet-day median · download the 89 days as CSV

The numbers in one paragraphdata-encoding got 129,347,667 crates.io downloads from Jul 27, 2026 to Oct 23, 2026. 2% of them landed within 2 days of one of its 1 release. On the other 87 quiet days it got a median of 1,416,151 a day, about 9,913,057 a week. Capping release days at that baseline leaves 129,347,667 release-adjusted downloads for the window.

What this means if you're choosing a dependency

  • Used, not everywhere. 854 crates depend on it. Look at how fast its issues get answered before you lean on it.
  • Actively released. 2.11.1 shipped 3 months ago (Aug 3, 2026).
  • Fit check: license MIT, edition 2018, needs Rust 1.48 or newer (from the latest version's manifest).
  • Compare it by the baseline, not the raw count. 2% of its 129,347,667 downloads in the window landed within 2 days of a release; the steady number is 1,416,151 a day.

Alternatives that do a similar job

Crates that share its crates.io category or keywords, most similar first. Each line is the crate's own description, then how it compares on the same data.

What the chart says

  • Weekend quiet days ran at 58% of weekday quiet days (918,799 vs 1,586,705). A dip that deep is the signature of work-week CI pipelines and developers building on weekdays.
  • Biggest day: 2,495,535 on Oct 22, 2026, a quiet day with no release nearby.

Every number

All-time downloads480,384,192 (rank #295 on crates.io by all-time downloads)
Downloads in the window129,347,667 (Jul 27, 2026 to Oct 23, 2026, 89 days)
Within 2 days of a release2,587,373 (2.0%)
Quiet-day median (baseline)1,416,151 a day; weekdays 1,586,705, weekends 918,799
Release-adjusted downloads129,347,667 (release-window days capped at the baseline)
Baseline rank#279 of the 300 crates we track
Quiet-day trend+48% raw, +9% against the median tracked crate (+36%)
Releases in the window1
Versions published, ever26
Latest version2.11.1, published Aug 3, 2026 (license MIT, edition 2018, MSRV 1.48)
First publishedDec 5, 2015
Reverse dependencies854

Releases in the window

Each one opens a 2-day release window on the chart.

VersionPublishedDownloads that version got (lifetime)
2.11.1Aug 3, 202640,415,497

How we compute this

crates.io counts every download, including CI runners, mirrors and bots that fetch each new version, so raw counts run high (why, in The Manual). We split the last 89 days into release windows (the day a version of data-encoding was published, plus the next day) and quiet days, and use the median quiet day as the baseline: an upper bound on steady use, never a head count. The method and data come from our study of 90 days of crates.io data from 69 crates, featured in This Week in Rust #674; check any crate live with the real-downloads checker.

Badge for your README

Maintainers can show the baseline in a README. It is optional, updates when we refresh the data, and links back here. Preview, then copy:

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data-encoding real downloads per day badge

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Publishing a crate of your own? How to publish a Rust crate to crates.io, step by step.

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