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Instantly repair broken %PDF- headers and recover corrupted PDF binaries.

Inspect the raw hexadecimal and ASCII string output of a PDF document.

Safely overwrite the PDF version specification header (e.g. down to 1.3 or 1.4).

Reduce image size without losing quality.

Convert between JPG, PNG, WEBP, and BMP.

Convert images to WebP format for the web.

Instantly repair broken %PDF- headers and recover corrupted PDF binaries.

Inspect the raw hexadecimal and ASCII string output of a PDF document.

Safely overwrite the PDF version specification header (e.g. down to 1.3 or 1.4).

Heuristically parse and extract tabular financial records (dates, amounts) into CSV.

Count words and chars.

Convert length, weight, etc.

Scan and extract bracketed citations, URLs, and references directly from the PDF text stream.

Calculate percentages, increases, and decreases.

Calculate exact age from date of birth.

Create professional bar charts for categorical data comparisons.

Generate beautiful pie charts for proportional data breakdowns.

Visualize trends and data changes over time with line graphs.

Snap a photo or input numbers to solve any Sudoku puzzle instantly.

Generate fresh Sudoku puzzles with multiple difficulty levels.

Find the winning word with advanced filtering and letter elimination.

Calculate volume and bags for slabs & footings.

Estimate bricks and mortar for walls.

Count sheets, screws, and compound needed.

Calculate daily calories & BMR for your goals.

Calculate pace, time, and distance for runs.

Predict race times based on past performance.

Calculate future dates by adding business days.

Convert meeting times across world time zones.

Create a live countdown to any event.