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`.tf`

2 claimants 2 primary 0 secondary shared primary (2)

SWH popularity

Distinct files in the full Software Heritage archive (2026-06-04 export), dated by first appearance, following Desmazières, Di Cosmo, Lorentz (MSR 2025). Case-aggregated. citation.

10.9M

total files

8.2M

first seen 2021–2025 (74.9%)

2022

median year (half its files since)

Case variants in archive: .tf (10.9M), .TF (623), .Tf (9) — aggregated above.

Attribution status

This extension is attributed to HCL; TF as primary by 2 authoritative claims.

Authoritative sources: △ Linguist · secondary ✓ Pygments ✗ Wikidata · no claim ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (3)

Languages that list .tf among their extensions. Strength reflects whether the upstream source treated it as their primary extension.

Language	Source	Strength
HCL	pygments	primary
TF	pygments	primary
HCL	linguist	secondary

Wikidata says… (2)

File formats, image formats, audio codecs and other non-PL entities that claim .tf on Wikidata (property P1195) or in the Wikipedia infobox. Source: data/derived/external_extension_index.csv. Click Use as new PL on any row to open the Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata URL, and this extension — one submission creates the PL + claim.

Right entry isn't listed? Add manually ↗

Format	Class (Wikidata `P31`)	Suggested label	MIME	Notes	Action
HCL configuration file Q115923522 configuration used by the Terraform platform	file format	—	`text/x-hcl`	—	Use as new PL ↗
Terraform file format Q131294117 file format	file format	—	`application/x-terraform; application/x-tf`	—	Use as new PL ↗

SWH-mined examples (1)

Real archived programs with this extension, byte-verified against the SWH archive, grouped by predicted language and by how the prediction was made. Useful for deciding what this extension actually is when the attribution is uncertain.

unclassified (1) — 1 via fallback

bod_lambda_security_group_rules.tf · 464 B · seen 692× in SWH

predicted: unclassified via fallback

swh:1:cnt:8634e7f491b5172cac4fad8ba4d033f3ce030e19;origin=https://github.com/cisagov/cyhy_amis;anchor=swh:1:rev:43be70ff835e90993a62509be5af9d33505cb46e;path=/terraform/bod_lambda_security_group_rules.tf

Open in SWH · Raw bytes