✍️
● AVAILABLESign PDF / E-Signature
Draw, type or upload a signature. Add initials, dates and text and export the signed PDF.
Open Sign PDFFREE PRODUCTIVITY TOOLS
PDF, image, calculator & everyday utilities
Useful tools for students, job seekers and IT professionals. Browser-first file tools are designed to keep supported processing on your device.
LOGIN REQUIRED: Tools marked with the bold 🔒 LOGIN REQUIRED label need a CertNivo account. Other tools can be opened without signing in.
Privacy first: supported client-side tools process files in your browser instead of intentionally uploading documents to CertNivo servers.
PDF tools
📝
● AVAILABLEPDF Editor
Add text and notes, rotate, delete and reorder pages.
Open PDF Editor🔗
● AVAILABLEMerge / Split / Extract
Combine PDFs, split ranges and extract selected pages.
Open Merge & Split🗜️
● AVAILABLECompress & Organize PDF
Optimize structure, reorder, rotate or delete PDF pages.
Open Compress & Organize🔄
● AVAILABLEPDF ↔ JPG / PNG
Convert PDF pages to images or images into PDF.
Open PDF Converter🧽
● AVAILABLEWatermark & Cleanup
Add watermarks or cover visible marks on documents you are authorized to edit.
Open Watermark Tools🔎
● AVAILABLEPDF Metadata Cleaner
Inspect and clear common PDF descriptive metadata.
Open Metadata Tool🔐
PLANNEDProtect / Unlock PDF
Reserved for a standards-compliant encryption engine.
Security Information📄
PLANNEDPDF ↔ Word
Reserved for a proper document layout conversion engine.
In DevelopmentImage, calculators & everyday utilities
📷
● AVAILABLEImage Toolkit
Compress, resize and convert JPG, PNG and WebP.
Open Image Toolkit🧮
● AVAILABLEScientific Calculator
Trig, logarithms, powers, roots, factorials and constants.
Open Scientific Calculator💼
● AVAILABLESalary & Pay Calculator
Hourly, weekly, monthly and annual pay, overtime, raises and offer comparison.
Open Salary Calculator%
● AVAILABLEPercentage Calculator
Percent of a number, percentage change, increases and decreases.
Open Percentage Calculator🔤
● AVAILABLEWord & Character Counter
Count words, characters, sentences, paragraphs and reading time.
Open Word Counter⚙️
● AVAILABLEQuick Generators
Generate QR codes and secure passwords, and convert text case.
Open Quick Generators💱
● AVAILABLECurrency Converter
Convert supported currencies using recent reference exchange-rate data.
Open Currency Converter