ESP8266 ESP32 Web File Upload sketch

Some little Arduino scripts with a simple Web File Manager for your ESP8266/ESP32 LittleFS files

Control files on your ESP board through a web browser! 📂➡️🖥️
Upload, delete, and view files directly from your phone or computer.

What's Inside? 🧰

• Works with ESP32 and ESP8266
• No apps needed - works in any browser
• See file sizes and dates
• Upload multiple files at once
• Delete files with 1 click
• Simple "Format" button to erase everything

What You Need 🔌

• ESP32 or ESP8266 board
• USB cable
• WiFi network
• Computer with Arduino IDE

Easy Setup Guide 🛠️

1. Install Tools (First Time Only)

1. Download Arduino IDE

2. Add board support:

   • ESP32: https://espressif.github.io/arduino-esp32/package_esp32_index.json
   • ESP8266: http://arduino.esp8266.com/stable/package_esp8266com_index.json

   (File > Preferences > Additional Boards URLs)

2. Copy the Code 📝

• Open the *.ino file for your board in the Arduino IDE

3. Configuration 🔧

// WiFi Credentials
#define WIFI_SSID "Your_WiFi_SSID"
#define WIFI_PASSWORD "Your_WiFi_Password"

// NTP Configuration (GMT+1 with DST)
configTime(3600, 3600, "pool.ntp.org");

4. Usage

1. Connect to serial monitor (115200 baud)
2. Wait for IP address confirmation
3. Access in browser: http://[ESP-IP]

5. Use the following routes

• http://[ESP-IP]/ → Redirects to /main (if index.html exists)
• http://[ESP-IP]/fs → File Manager UI
• http://[ESP-IP]/reset → Restart the ESP

6. Example Output

📁 Click to show code

ets Jul 29 2019 12:21:46

rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0030,len:4916
load:0x40078000,len:16436
load:0x40080400,len:4
ho 8 tail 4 room 4
load:0x40080404,len:3524
entry 0x400805b8
..
Connected! IP-Adresse: 192.168.206.238
LittleFS initialized.

Server is now listening ...

Upload started: /infos.txt
File opened for writing
Bytes written to file: 1436
Bytes written to file: 1436
Bytes written to file: 1436
Bytes written to file: 1436
Bytes written to file: 1436
Bytes written to file: 1324
Upload finished. File closed
Upload started: /Test.txt
File opened for writing
Bytes written to file: 75
Upload finished. File closed
View: Test.txt
.......
Connected! IP-Adresse: 192.168.206.105
LittleFS initialized.

Server is now listening ...

Upload started: /infos.txt
File opened for writing
Bytes written to file: 2048
Bytes written to file: 2048
Bytes written to file: 2048
Bytes written to file: 2048
Bytes written to file: 312
Upload finished. File closed
Upload started: /Jumbli.txt
File opened for writing
Bytes written to file: 75
Upload finished. File closed
View: Test.txt

Need Help? 🤔

Ask in the GitHub Discussions
I'm happy to help beginners! 😊

📜 License

This project is open-source and available under the MIT License - see the LICENSE file for full details.

You are free to:

• Use commercially
• Modify freely
• Distribute copies
• Place private use

Only requirement: Include original license in copies

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Made with ❤️ for IoT Beginners
Works with Arduino IDE 3.x - Last tested: Jan 2025