JSON Formatter & Validator

Beautify, validate, and minify your JSON data instantly. Perfect for debugging API responses, configuration files, and data structures. Automatically detects and highlights syntax errors with line numbers.

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Base64 Encoder/Decoder

                        
Convert text or files to and from Base64 encoding. Useful for embedding images in CSS/HTML, encoding data for URLs, or decoding Base64 strings from APIs. Supports drag-and-drop file uploads.

                    

                    

                        
                        
                    

                    

                        

                            
                            
                        

                        

                            
                            
                            
                        

                    

                    
                    

                        

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Regex Tester

                        
Build and test regular expressions with instant visual feedback. See matches highlighted in real-time, view captured groups, and experiment with flags (global, case-insensitive, multiline). Essential for form validation, text parsing, and search patterns.

                    

                    

                        
                        

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Color Picker & Palette Generator

                        
Pick any color and instantly convert between HEX, RGB, and HSL formats. Generate harmonious color palettes including complementary, analogous, triadic, and tetradic schemes. Click any palette color to copy its value.

                    

                    

                        

                            

                                
                                

                                    
                                    
                                

                            

                            

                                
                                
                            

                            

                                
                                
                            

                            

                                
                                
                                
                            

                        

                        

                            

                                
                                
                            

                            

                                
                                

                            

                        

                    

                


                
                

                    

                        
CSS Gradient Generator

                        
Design stunning linear and radial CSS gradients with an intuitive visual editor. Adjust colors, positions, and angles in real-time. Copy the generated CSS code with vendor prefixes for maximum browser compatibility.

                    

                    

                    

                        

                            

                                
                                
                            

                            

                                
                                
                            

                        

                        

                            

                                
                                

                                    
                                    
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Favicon Generator

                        
Upload any image and generate favicons in all standard sizes (16x16 to 512x512). Preview how your favicon looks at each size before downloading. Supports PNG, JPG, and SVG inputs with high-quality scaling.

                    

                    

                        

                            Click to upload or drag and drop

                            PNG, JPG, or SVG (recommended: square image)
                        

                        
                    

                    
                    
                


                
                

                    

                        
UUID Generator

                        
Generate cryptographically random UUIDs (Universally Unique Identifiers) version 4. Create single UUIDs or bulk generate up to 100 at once. Perfect for database IDs, session tokens, and unique identifiers in your applications.

                    

                    

                        
                        

                            
                            
                        

                    

                    

                        
                    

                    

                        
                        

                            
                            
                        

                    

                    

                        

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Timestamp Converter

                        
Convert Unix/Epoch timestamps to human-readable dates and vice versa. Supports both seconds and milliseconds. Displays results in UTC, local time, and ISO 8601 format. Live clock shows the current timestamp.

                    

                    

                        
                        

                            
                            
                        

                        
                    

                    

                        

                            

                                
                                
                            

                            

                                
                                
                            

                            
                        

                        

                            

                                
                                
                            

                            
                        

                    

                    

                        

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JWT Decoder

                        
Decode and inspect JSON Web Tokens (JWT) without sending them to a server. View the header algorithm, payload claims, and signature. Automatically checks token expiration and displays human-readable timestamps for iat, exp, and nbf claims.

                    

                    

                        
                        
                    

                    

                        
                        
                    

                    

                    
                


                
                

                    

                        
Image Converter

                        
Convert images between popular formats including PNG, JPEG, WebP, and BMP. Resize images while maintaining aspect ratio, adjust quality for lossy formats, and compare file sizes before downloading. All processing happens in your browser.

                    

                    

                        

                            Click to upload or drag and drop

                            JPEG, PNG, WebP, BMP, GIF