w3c/FileAPI

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File API

Stars: 118
Forks: 52
Open beginner issues: 0
Indexed issues: 50
Avg merge: 9d 16h
Merged PRs (30d): 1

Dominant language: HTML
License: No license data
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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50 issues indexed so far

TPAC 2026 Status Report Open

TPAC2026

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/FileAPI#224 · Opened Aug 13, 2026
Correct handling of resizable ArrayBuffer? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/FileAPI#219 · 4 comments · Opened Apr 7, 2026
Self-Review Questionnaire for FileAPI: Security and Privacy Open

w3c/FileAPI#214 · 1 assignee · Opened Nov 11, 2025
Proposal: `Blob.from()` for creating virtual Blobs with custom backing storage Open

Difficulty 5/5 Over a week Newbie friendliness 32/100

w3c/FileAPI#209 · 4 comments · Opened May 19, 2025
Refactor read operation algorithm Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

w3c/FileAPI#208 · 1 comment · 1 reaction · Opened Mar 14, 2025
revokeObjectURL does not error check URL parsing and passes string to "remove an entry" Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/FileAPI#207 · 1 reaction · Opened Jan 19, 2025
Missing close call on blob-get-stream causes the stream to never finish reading Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

w3c/FileAPI#206 · 1 comment · 2 reactions · Opened Dec 9, 2024
Allow `createObjectURL` to retain filename from `File` (and similar) objects Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/FileAPI#203 · 7 comments · 3 reactions · Opened Nov 1, 2024
Should some files provide an alt? Open

TPAC2025

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/FileAPI#215 · 8 comments · Opened Oct 22, 2024
Meta - make reading algorithms more explicit Open

TPAC2024

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#199 · 1 reaction · Opened Sep 23, 2024
Specify actual byte reading algorithm for Blob.stream() Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/FileAPI#194 · Opened May 25, 2023
Function signature change: reading all bytes from a stream Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

w3c/FileAPI#187 · Opened Dec 14, 2022
Broken references in File API Open

Difficulty 1/5 Under an hour Newbie friendliness 62/100

w3c/FileAPI#185 · Opened Dec 7, 2022
Consider adding `blob.dataUrl()` method, or some other analogue to `readAsDataURL` Open

feature request TPAC2024

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/FileAPI#179 · 10 comments · 1 reaction · Opened Aug 5, 2022
Consider allowing re-reads after snapshot state change for applications loaded from file: URIs Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#174 · Opened Jul 2, 2021
Issues with MIME types Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#170 · 2 comments · Opened Apr 26, 2021
Clarify UUID version Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

w3c/FileAPI#163 · 1 comment · Opened Apr 19, 2021
Specify how filenames from the OS map to File's `name` property Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

w3c/FileAPI#161 · 2 comments · Opened Mar 4, 2021
Support using AbortController with FileAPI Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#159 · 7 comments · Opened Nov 20, 2020
Add accessibility section Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/FileAPI#152 · Opened Apr 9, 2020
Consider substituting optional BlobPart or sequence<BlobPart> for optional sequence<BlobPart> blobParts at constructor Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#150 · 6 comments · Opened Apr 5, 2020
Blob URL store entries are not removed Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/FileAPI#149 · 2 comments · Opened Apr 2, 2020
Add Internationalization Considerations section Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

w3c/FileAPI#146 · Opened Mar 6, 2020
Define chunk size for `ReadableStream` created by `blob::stream()` Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/FileAPI#144 · 12 comments · 1 reaction · Opened Jan 3, 2020
Put policies in the blob URL store Open

TPAC2024

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#142 · 4 comments · Opened Sep 23, 2019
Consider Blob.fromStream (returns a Promise<Blob>) Open

feature request TPAC2024

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#140 · 7 comments · Opened Aug 30, 2019
Sort out when blob: URLs can be fetched / navigated Open

TPAC2024

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#135 · 1 comment · 2 reactions · Opened Jul 15, 2019
Refactor text() et al to share more infrastructure with Fetch Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/FileAPI#133 · Opened Jun 7, 2019
"package data" reuses type variable Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

w3c/FileAPI#124 · 3 comments · Opened Apr 5, 2019
Use [NewObject] for Blob's slice() and FileReaderSync Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/FileAPI#121 · Opened Mar 16, 2019
Event handler content attributes are for HTML elements, not JS APIs Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

w3c/FileAPI#120 · Opened Mar 14, 2019
Consider dispatching loadstart "synchronously" (similar to XMLHttpRequest) Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

w3c/FileAPI#119 · 2 comments · Opened Mar 14, 2019
readAsDataURL should be more precise about the data URL contents Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

w3c/FileAPI#104 · 5 comments · 2 reactions · Opened Jun 20, 2018
Does the specification define input[type=file] .files expected behaviour to relevant to reflecting real-time changes to user selected file? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/FileAPI#99 · 9 comments · Opened May 19, 2018
Refine StructuredSerializeForStorage behavior Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#98 · 7 comments · Opened Apr 17, 2018
Consider adding the hashed filesystem path Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#95 · Opened Jan 22, 2018
Consider centrally defining all users of the blob URL store Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#93 · 2 comments · Opened Dec 5, 2017
Disallow mutating state of Blob/File objects Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

w3c/FileAPI#75 · 6 comments · 1 reaction · Opened Mar 22, 2017
Describe internal slots of Blob and File objects better Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/FileAPI#71 · Opened Feb 22, 2017
Set FileReader.error to an AbortError when abort() is called. Open

feature request

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

w3c/FileAPI#66 · Opened Feb 6, 2017
What does it mean to invoke the Blob constructor with zero parameters? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/FileAPI#54 · 1 comment · Opened Nov 24, 2016
Standardize extension to content type mapping? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#51 · 3 comments · Opened Oct 19, 2016
Update feedback info Open

non-normative/editorial change

Difficulty 1/5 Under an hour Newbie friendliness 45/100

w3c/FileAPI#49 · 2 comments · Opened Aug 28, 2016
Define WebKit's underlying file changes behavior Open

normative change

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#47 · 14 comments · Opened Aug 15, 2016
Re-word the way the various read operations are defined Open

non-normative/editorial change

Difficulty 3/5 1-2 days Newbie friendliness 35/100

w3c/FileAPI#45 · Opened Jul 21, 2016
Implementations allow all values in type getter Open

normative change

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/FileAPI#43 · 17 comments · Opened Jul 13, 2016
Add FileList constructor Open

feature request TPAC2024

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/FileAPI#24 · 4 comments · 1 reaction · Opened Oct 21, 2015
What should the ProgressEvent attributes be in the case of an error/abort? Open

normative change

Difficulty 4/5 3-5 days Newbie friendliness 25/100

w3c/FileAPI#14 · 4 comments · Opened Jul 20, 2015
IANA Considerations Open

non-normative/editorial change

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

w3c/FileAPI#12 · 1 comment · Opened Jul 13, 2015
Relation to File URI scheme Open

non-normative/editorial change

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

w3c/FileAPI#6 · 1 comment · Opened Apr 21, 2015

w3c/FileAPI

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