UtilityBaseWhat's New
UtilityBase is a growing collection of 439 free browser tools and 281 how-to guides. Here are the most recent additions, newest first. The collection grows regularly, so check back, or suggest a tool you'd like to see next.
July 14, 2026
- Cubic Bezier GeneratorDeveloper ToolsDesign a CSS easing curve by dragging the control points, preview the motion, and copy the value.
- Pixel Art MakerGeneratorsDraw pixel art and sprites on a grid, then export a crisp PNG at any scale.
- Interactive Periodic TableCalculatorsA clickable periodic table of all 118 elements, search, filter by category, and see details.
- Drum MachineProductivity ToolsA beat maker with 808/909 kits, up to 32 steps, swing, shareable links, and WAV export.
- Reverse AudioProductivity ToolsReverse an audio file to play it backwards, then download the result, all in your browser.
- Screenshot BeautifierImage ToolsDrop a screenshot onto a gradient background with padding, rounded corners, and a shadow.
- 8D Audio MakerProductivity ToolsTurn any song into 8D audio. The sound rotates around your head. Free, no upload.
- Vocal RemoverProductivity ToolsRemove vocals from a song to make a karaoke or instrumental track. Free, in your browser.
- ASCII TableDeveloper ToolsFull ASCII reference, decimal, hex, octal, binary, HTML entity, and control-code names.
- Mouse Polling Rate TestDevice TestsMeasure your mouse's polling rate in Hz. Move it in the box and read the report rate.
- Code PlaygroundDeveloper ToolsA live HTML, CSS & JS editor with instant preview, console, and shareable links.
- Mermaid Diagram EditorDeveloper ToolsTurn Mermaid text into live flowcharts, sequence, class, ER, and Gantt diagrams.
- SQL PlaygroundDeveloper ToolsRun real SQL in your browser, a live SQLite database with a sample schema.
- PDF EditorProductivity ToolsAdd text, highlights, drawings, boxes, and images to a PDF, then download it.
- Pop ItGeneratorsThe endless silicone pop-it fidget toy. Press the bubbles, flip, and pop again.
- Fidget SpinnerGeneratorsFlick a virtual fidget spinner with real momentum physics. Watch the RPM.
- FireworksGeneratorsTap the night sky to launch fireworks that burst with color and sound.
- SEO AnalyzerDeveloper ToolsInstant on-page SEO audit of any URL. 23 checks, scored, with plain-English fixes.
- Audio to TextProductivity ToolsFree AI transcription on your device, audio or video to text with subtitles export.
- Video to MP3Productivity ToolsExtract the audio from any video as an MP3, no upload, no size limits.
- Webhook TesterDeveloper ToolsGet a unique URL and watch incoming webhook requests arrive live.
July 13, 2026
- Multiplication TableGeneratorsPrintable times table grid. Choose 10×10 up to 20×20, with square numbers highlighted.
- Slowed + Reverb MakerProductivity ToolsTurn any song slowed + reverb or nightcore in your browser, then download a WAV.
- Betting Odds ConverterCalculatorsConvert between American, decimal, and fractional odds, with implied probability and payout.
- Electricity Cost CalculatorCalculatorsEstimate what a device costs to run from its wattage, hours, and your kWh rate.
- Recipe ScalerCalculatorsScale a whole recipe up or down by servings, with clean fractions, not ugly decimals.
- Syllable CounterText ToolsCount syllables per word and total, with a built-in haiku 5-7-5 checker.
- Markdown Table GeneratorDeveloper ToolsBuild a table in a grid and get clean Markdown (and HTML). Paste from Excel or CSV.
- Flexbox GeneratorDeveloper ToolsSet flexbox properties visually with a live preview and copy the CSS.
- CSS Grid GeneratorDeveloper ToolsBuild a CSS grid layout visually, columns, rows, and gaps, and copy the CSS.
- Glassmorphism GeneratorDeveloper ToolsDesign a frosted-glass card with live preview and copy the CSS.
- Clip-Path GeneratorDeveloper ToolsPick a clip-path shape and copy the CSS, with a live preview.
- Schema Markup GeneratorDeveloper ToolsFill a form and get valid JSON-LD structured data for Article, Product, FAQ, and more.
- Speed, Distance & Time CalculatorCalculatorsEnter any two of speed, distance, and time to solve for the third, with unit options.
- PX to REM ConverterDeveloper ToolsConvert between px, rem, and em with an adjustable base, plus bulk and a reference table.
- Unit Price CalculatorCalculatorsCompare products by price per unit to find the better buy, even across pack sizes.
Looking for something specific? Browse all tools or the guides library.