FirmwareHub
Created by CiferTech · ESP32 / ESP8266 Browser Flasher
WebSerial Ready Secure USB OTA Helper
No device
Docs & Repo ❤️ Support on Patreon
Device
No chip
Chip
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Flash ID
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Flash Size
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MAC
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Idle
Tip: if connect fails, hold BOOT on the board while clicking Connect & Detect.
Local Firmware
Merged .bin · Offset 0x0
Drop a .bin here or click to browse
No file selected
Flash progress
Flasher log

      

    

  


  
  

    
    

      

        
Remote Firmware · OTA Helper

        
GitHub Releases · Auto

      

      

        

          

            
Project

            
          

          

            
GitHub Repo

            
          

          
        


        

          
Available firmware assets (.bin)

          
Auto refresh warming up…

        

        
    

        
    Selected remote firmware
    
        
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    Flash from URL (.bin)
    
        
    
          If GitHub Releases remote flash is blocked, use a CORS-friendly URL (e.g. raw file hosting) or download via "Open Download" then flash locally.
        
    
        
    
          
          
        
    

        
    Flash history (local + remote)
    
        
      
      
      
    
      

    
    
      
      
      
        
      Serial Console
      
        
      Monitor · Send commands
      
      
      
      
      
        
      
          
          
          
        
      

        
      Console
      
        
      

        
      
          
          
        
      

        
      
          Console is independent from bootloader flashing. After flashing, open console again to see your firmware logs.
        
      
      
      
    
      
  
      

  
      
    FirmwareHub by CiferTech · Built on WebSerial + esptool-js