Aspect ratio calculator
Find a reduced aspect ratio and scale dimensions with a visual preview.
Tools for everyday tasks.
All tools are private and run on your device. Your files and text are never sent to a remote processing server.
Images & design4
View categoryVideo & audio13
View categoryTrim video
Cut a clip with a visual timeline and precise start and end points.
Crop video
Reframe a video with draggable crop handles and aspect-ratio presets.
Resize video
Change video dimensions with a live preview and resolution presets.
Rotate & flip video
Turn a sideways video or mirror it before exporting a new copy.
Remove audio from video
Remove a soundtrack while retaining the picture and chosen clip range.
Change video speed
Slow down or speed up a clip with synchronized audio timing.
Video to GIF
Turn a short clip into a looping GIF with trim, crop and frame-rate controls.
Extract audio from video
Save a video soundtrack as MP3, WAV, M4A or Ogg audio.
Video frame grabber
Scrub to a frame, preview it, and save a PNG or JPEG thumbnail.
Trim audio
Preview a recording, select a range and export a shorter audio file.
Audio converter
Convert a browser-playable recording to MP3, WAV, M4A or Ogg.
Subtitle converter
Convert SRT and WebVTT subtitles, shift timing and edit individual cues.
ASCII animation studio
Convert videos and GIFs to editable text animations, then export code, GIF or video.
Developer tools7
View categoryUTM link builder
Build campaign links with validated URLs and editable tracking parameters.
Meta tag generator
Write titles and descriptions, preview a search snippet, and export safe HTML.
ASCII table generator
Edit a table or paste CSV, TSV and JSON to create aligned text tables.
Directory tree generator
Create ASCII or Unicode directory trees from file paths and outlines.
JSON comparison
Compare JSON values, ignoring formatting and key order.
JSON Lines converter
Convert JSON arrays to JSONL or NDJSON and back.
IPv4 subnet calculator
Calculate network masks, host ranges, and CIDR blocks.
Text & encoding6
View categoryASCII art generator
Create text banners with six lettering styles and editable exports.
ASCII drawing canvas
Draw with characters, shapes, fill and text on an editable canvas.
Text box & formatting
Wrap and align text, create bordered notes, comments and dividers.
Text ↔ hexadecimal
Encode UTF-8 text as hex bytes, or decode it.
Unicode inspector
Inspect code points, invisible characters, and UTF-8 bytes.
List comparison
Find shared items, differences, and duplicates in two lists.
Files & archives1
View categoryEveryday utilities9
View categoryDays until calculator
Count calendar days until a date, with weeks and month breakdowns.
Weeks until calculator
Find complete weeks and remaining days before a target date.
Months until calculator
Count whole calendar months and leftover days without 30-day estimates.
Business days calculator
Count working days with custom weekends and excluded dates.
Age calculator
Calculate age in years, months and days on a chosen date.
Week number calculator
Find the ISO week number, week year and Monday–Sunday date range.
Percentage calculator
Calculate percentages, increases, decreases and relative differences.
File size converter
Convert decimal and binary storage units without rounding large integers.
Date calculator
Count days between dates, or add and subtract time.