ToolForge

Générateur de User-Agent

User agent generator: create random UA for browsers and devices with custom and bulk for testing and crawling, with one-click copy, offline.

Mode d'emploi

Choisissez un navigateur et un OS ; les chaînes UA sont générées automatiquement.

Overview

User-Agent Generator is a Developer tool. User agent generator: create random UA for browsers and devices with custom and bulk for testing and crawling, with one-click copy, offline. It runs 100% in your browser with no upload, so you get instant results with privacy. Whether you need a quick answer or batch processing with precise control, you can enter, validate and export in seconds. The UI is responsive on mobile, tablet and desktop and supports one-click copy.

Use cases

  • Daily use of User-Agent Generator: Pick a browser and OS to generate UA strings. — enter and get instant results without manual lookup.
  • One-click copy keeps results ready to save, check or share with family and pros.
  • Use User-Agent Generator offline or on poor network — all calculations stay local and private.
  • Format and validate JSON
  • Test regex with highlights

How to use

  1. 1 Pick a browser and OS to generate UA strings..
  2. 2 Pick action and options
  3. 3 Fix highlighted errors
  4. 4 Copy or export

Highlights

  • Local & private: processing stays in your browser
  • Live validation with tolerant parsing
  • One-click copy and export for docs, code or sheets
  • Batch and offline support under poor network

Notes

  • Strict JSON disallows comments/trailing commas
  • Watch greedy vs lazy regex
  • Disable live validation for large files

FAQ

Offline?
Yes, parsing is local.
Why invalid?
Trailing commas, single quotes or BOM often cause it.
How is User-Agent Generator different?
It runs locally with a focus on speed and privacy, plus tolerant parsing for “User-Agent” and one-click copy for reuse.
Can I use results in official reports?
Use it as a working draft and cross-check with authoritative sources; keep the exported log and parameters for traceability.
Tip：Tip: Bookmark this page or pin the tab; find related tools via categories and search.
Table ASCIIASCII table tool: lookup char decimal, hex and binary with search and copy for development and learning, with one-click copy, offline. Convertisseur Base32Base32 converter tool: support Base32 encoding and decoding with padding and bulk for development, with one-click copy, offline. Aperçu d'image Base64Base64 image viewer: paste a Data URL or raw Base64 to preview the image locally with estimated size. Nothing is uploaded. Ideal for frontend debugging. Brazil CPF ValidatorBrazil CPF validator: enter 11-digit CPF to validate for Brazil, multilingual. Brazil PIX Key ValidatorBrazil PIX validator: enter CPF/CNPJ/email/phone/random key to validate PIX format for Brazil. Générateur de dégradé coniqueConic gradient generator: adjust angle, stops and center with live preview and CSS copy, animated for front-end gradien Supports batch processing and one-click copy.

Tous les calculs s’exécutent localement dans votre navigateur ; aucune donnée n’est envoyée.