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calculator

887 tools tagged with "calculator".

Related tags:#math #convert #converter #unit-converter #time #date #electricity #circuits

Image Tools

16 tools

Image Resize
Image Resize — Resize any image to exact pixel dimensions — keep the aspect ratio or stretch. Output as PNG, JPEG, or WebP.
Image Compressor
Image Compressor — Compress images to dramatically smaller files — adjust quality, cap maximum width, and see how much you saved.
Image Crop
Image Crop — Crop any image by dragging a rectangle over the area you want to keep. Pixel-precise, downloadable as PNG, JPEG, or WebP.
Image Format Converter
Image Format Converter — convert any image between PNG, JPEG, and WebP. Tune quality for JPEG/WebP output. Runs entirely in your browser.
Image to Base64
Image to Base64 — Encode an image as a Base64 data URI — paste it into CSS, HTML, or JSON. Optional CSS url(...) wrapper.
Image Rotate
Image Rotate — Rotate any image — 90°/180°/270° quick presets, or any arbitrary angle. Canvas is resized so nothing is clipped.
Image Flip
Image Flip — Mirror any image horizontally, vertically, or both at once. Runs entirely client-side inside your browser.
Image Filters
Image Filters — Apply CSS-grade filters to any image — grayscale, sepia, blur, brightness, contrast, saturation, hue-rotate, invert. Live preview as you...
Image Watermark
Image Watermark — Stamp any image with a text watermark — your name, copyright, or any label. Tune font, color, opacity, rotation, and placement.
Image to Grayscale
Image to Grayscale — Convert any image to grayscale — continuous shades, or quantized levels (4, 16, 64) for poster-style output.
Image OCR (Text from Image)
Image OCR (Text from Image) — Drop a screenshot, scan, or photo and extract the text inside — entirely in your browser via Tesseract.js. 10 languages in...
WebP / AVIF Batch Converter
WebP / AVIF Batch Converter — Bulk-convert images to WebP or AVIF in one click — 30–80% smaller than the original PNG/JPEG. Optional max-dimension resiz...
Image Signer
Image Signer — Place a signature anywhere on an image — perfect for signing artwork, photos, screenshots, or scanned documents that aren't PDFs. Draw wi...
Image Merger
Image Merger — Drop or paste multiple images, choose a layout (vertical, horizontal, or grid), and download a single merged image. All in your browser —...
EXIF Reader
EXIF Reader — Upload a JPEG image to view its EXIF metadata including camera model, date taken, GPS coordinates, exposure settings, and more.
Image Optimizer
Free online image optimizer. Compress and optimize images with quality control, format conversion, and size comparison.

PDF Tools

15 tools

Office Tools

3 tools

Mobile App Assets

3 tools

Encoding

2 tools

Generators

4 tools

Calculators & Converters

28 tools

Counting & Analysis

1 tool

Text Size Calculator
Free online text size calculator. Measure text size in UTF-8, UTF-16, and ASCII bytes. Also shows character, word, and line counts.

Developer Tools

2 tools

Unit Converters

778 tools

Construction Calculators

19 tools

🎥 Video Tools

4 tools

Electricity Calculators

12 tools