OptiDrop

A free online toolkit offering over 340 browser-based tools for image compression, PDF editing, resume building, and calculators, solving the problem of file privacy and the need for multiple standalone utilities. It targets students, professionals, freelancers, small business owners, and everyday users who need quick, private file processing without sign-ups or software installation. The platform differentiates itself by processing all files entirely in the browser, ensuring no uploads to servers, and is supported by non-intrusive ads to remain free.

Key features

• Image compression to exact KB limits
• HEIC to JPG conversion
• JPG to PDF conversion
• Resume builder with ATS-friendly templates
• Invoice generator with GST compliance
• EMI calculator for loan payments
• QR code generator
• Passport photo size presets
• No file uploads, all client-side
• No sign-up required
• Free with no premium tiers
• No watermarks or file size limits
• Mobile responsive with touch support
• Batch processing with ZIP download