Online Tools SHA256 File Checksum
Calculates the SHA-256 checksum of a local file without uploading it.
Artifact by emn178
Use it
Opens emn178.github.io in a new tab. Nothing to install.
- You provide
- A file
- You get
- SHA-256 checksum
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Open-source web app
- Source
- Open source
- Link check
- Answered on Oct 31, 2026
About
Category: Security & privacy · file checksum
Reviews
Write a reviewNo reviews yet. Used it? Sign in with an established GitHub account to rate it. How reviews work
More security & privacy tools
- 0.863score
Web Check
Alicia Sykes
Runs a set of checks on a URL, such as DNS, SSL, headers, ports and tech stack, and shows the results.
ArtifactNo sign-up★ 35.3Ksecurity privacy - 0.858score
FingerprintJS Demo
Fingerprint
Demo of the open-source FingerprintJS library that computes a visitor ID from browser attributes.
ArtifactNo sign-up★ 28.7Ksecurity privacy - 0.839score
CyberChef
GCHQ
Drag-and-drop recipe builder that chains hundreds of operations for encoding, encryption, compression and data analysis.
ArtifactNo sign-up★ 36.3Ksecurity privacy - 0.828score
PrivateBin
PrivateBin project
Zero-knowledge pastebin where text is encrypted in the browser before being stored, with expiry options.
ArtifactNo sign-up★ 8.7Ksecurity privacy - 0.819score
privacy.sexy
undergroundwires
Builds scripts that harden privacy and security settings on Windows, macOS and Linux, chosen by checkbox.
ArtifactNo sign-up★ 6.2Ksecurity privacy - 0.803score
Password Pusher
Password Pusher
Shares passwords through links that expire after a set number of views or days.
ArtifactNo sign-up★ 3.2Ksecurity privacy
Details
- Auth
- No auth
- License
- Open source
- Repository
- github.com/emn178/online-tools
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- GitHub
More from emn178
- 0.588score
Online Tools Base64 Decode
emn178
Decodes Base64 strings back to text or a downloadable file.
ArtifactNo sign-upconverters - 0.588score
Online Tools Base64 Encode
emn178
Encodes text or files into Base64 with charset and URL-safe options.
ArtifactNo sign-upconverters - 0.588score
Online Tools Double SHA256
emn178
Applies SHA-256 twice to the input, as used for Bitcoin-style hashing.
ArtifactNo sign-upsecurity privacy - 0.588score
Online Tools Hex Encode
emn178
Converts a string into its hexadecimal byte representation.
ArtifactNo sign-upconverters - 0.588score
Online Tools HTML Encode
emn178
Escapes special characters in text as HTML entities.
ArtifactNo sign-upweb utilities - 0.588score
Keccak-256 Online Tool
emn178
Computes Keccak-256 hashes, the variant used by Ethereum, from text in several encodings.
ArtifactNo sign-upsecurity privacy
Cite this page
Online Tools SHA256 File Checksum: free online. Agent Mart. https://agentmart.dev/artifacts/online-tools-sha256-file-checksum (last updated 2026-10-31)