Parse a User-Agent string into browser, OS and device info. Tentaco User-Agent Parser: review input and get an instant result — free, no sign-up.
Full tool — runs in your browser. No sign-up required.
Loading…
Parse a User-Agent string into browser, OS and device info. Runs entirely in your browser — nothing is uploaded.
Paste or enter your input into Tentaco User-Agent Parser. The core flow runs locally; online steps are labeled in the UI.
The primary button opens the matching studio mode so you can start without an account. People often search for: user agent parser, browser detection, ua parser.
Open User-Agent Parser via the studio button (direct mode).
Paste or type your input.
Adjust options and review the preview or output.
Copy or save the result and re-run if needed.
Hybrid: core steps run locally; labeled online steps may send data to a service. Permanent storage only after your action.
Local + OnlineHybrid tool: local processing by default, with optional online steps that are clearly marked.
Only for labeled online steps. The core flow of User-Agent Parser stays local.
Yes. Copy the output from User-Agent Parser or download it when the tool offers a file.
User-Agent Parser follows the formats named in the UI and description. Unlisted variants are not guaranteed.
User-Agent Parser needs a connection for online steps. Local parts may still work after load.
HTTP Request Tester online — free
Send GET, POST, PUT, PATCH and DELETE requests from your browser. Tentaco HTTP Request Tester: review input and get an instant result — free, no sign-up.
URL Parser online — free in your browser
Break a URL into protocol, host, path, query and hash. Tentaco URL Parser: review input and get an instant result — free, no sign-up.
GraphQL Formatter online — free
Beautify and minify GraphQL queries and mutations. Tentaco GraphQL Formatter: review input and get an instant result — free, no sign-up.
MAC Address Generator online — free
Generate random MAC addresses in standard notation. Tentaco MAC Address Generator: review input and get an instant result — free, no sign-up.
PKCE Generator — OAuth code verifier
Generate a code verifier and S256 code challenge for OAuth 2.0 PKCE. Tentaco OAuth PKCE Generator: review input and get an instant result — free, no sign-up.
Subnet / CIDR Calculator online — free
Calculate network address, broadcast and host range from CIDR. Tentaco Subnet / CIDR Calculator: review input and get an instant result — free, no sign-up.
HMAC Generator online — free
Compute HMAC-SHA256 and HMAC-SHA512 signatures for webhooks and APIs. Tentaco HMAC Generator: review input and get an instant result — free, no sign-up.
JSON Path Finder online — free
Click through JSON and copy dot-notation paths to values. Tentaco JSON Path Finder: review input and get an instant result — free, no sign-up.