Design Tools
Free online design tools for CSS and visual assets. Create social media mockups, generate buttons, favicons, and avatars, build CSS borders and gradient text — all with live preview, all in your browser.
21 Tools
Social Media Mockup
Preview how posts look on Instagram, Twitter, Facebook, and LinkedIn.
Social
Button Generator
Design custom CSS buttons with shadows, gradients, and hover effects.
CSS
Favicon Generator
Create favicons from text, emoji, or initials with custom colors.
Icons
Avatar Generator
Generate unique profile avatars with initials, colors, and shapes.
Avatars
CSS Border Generator
Design CSS borders with custom radius, style, width, and color.
CSS
Gradient Text Generator
Create gradient text effects with CSS background-clip and live preview.
Typography
Indian Passport Photo
Make Indian passport photos at 35x45mm, 300 DPI.
Photo
US Passport Photo
Make US passport photos at 2x2 inches, 300 DPI.
Photo
UK Passport Photo
Make UK passport photos at 35x45mm, 300 DPI.
Photo
Canada Passport Photo
Make Canada passport photos at 50x70mm, 300 DPI.
Photo
Visa Photo Generator
Generate visa photos with custom dimensions.
Photo
ID Card Generator
Generate ID cards with photo and details.
Cards
Employee ID Card
Generate employee ID cards with company details.
Cards
Student ID Card
Generate student ID cards with institution details.
Cards
Signature Drawer
Draw signatures using mouse or touch on canvas.
Signatures
Text Signature Generator
Generate stylized text signatures with multiple fonts.
Signatures
Scanner Simulator
Simulate a scanned document look from photos.
Documents
Document Cropper
Crop documents from photos with precision.
Documents
Image Stamp Tool
Add date and time stamps to images.
Stamps
Watermark Creator
Add text watermarks to images with custom options.
Stamps
Certificate Generator
Generate customizable certificates with templates.
Certificates
Frequently Asked Questions
Yes, all design tools on OptiDrop are 100% free with no sign-up, no usage limits, and no watermarks on your generated assets.
Yes. All CSS code, buttons, favicons, avatars, and other assets you create are yours to use freely in personal and commercial projects.
No. All tools feature intuitive visual editors with live previews. Adjust colors, borders, and styles with sliders and pickers — no CSS knowledge required.
Yes. Generated images like favicons and avatars can be downloaded as PNG files. CSS code can be copied directly for use in your projects.
Browse Other Categories
Last updated: June 2026