Free guides
Plain, step-by-step answers to everyday file and number questions: how to get a photo under 50 KB, merge PDFs, convert HEIC or work out an EMI. Each one ends with a free tool that does the job in your browser.
Video guides
- MKV vs MP4: Which Video Format Should You Use?MKV holds many audio and subtitle tracks; MP4 plays on almost every device. Compare features, compatibility and size, and convert when you need to.
- MP4 vs MOV: What's the Difference and Which to Use?MOV is Apple's video format; MP4 is the one that plays everywhere. See why iPhones record MOV, which to share or edit, and when to convert.
- Instagram Story Video Length: Trim Clips to FitInstagram Stories show video in segments of up to 60 seconds, and Reels run up to 3 minutes. Cut the best part yourself so nothing gets chopped badly.
- WhatsApp Status Video Length: Cut Clips So They FitWhatsApp Help says a Status video can run up to 90 seconds. Cut the part you want yourself so your status is not split or trimmed mid-sentence.
Audio guides
- How to Convert M4A to MP3 (Voice Memos and iTunes)Convert iPhone Voice Memos and iTunes M4A files to MP3 for any player, car stereo or website. Free for files up to 5 minutes.
- How to Convert OGG to MP3 (Including Voice Notes)Convert OGG and OPUS audio, such as voice notes, game sounds and web recordings, to MP3 for any player or editor. Free for files up to 5 minutes.
- How to Convert WAV to MP3 and Shrink RecordingsA WAV takes about 10 MB a minute; the same audio as MP3 is about 1.4 MB. Convert recordings to share or store. Free for files up to 5 minutes.
- FLAC vs MP3: Can You Hear the Difference?FLAC is lossless and about half the size of WAV; MP3 is several times smaller and plays everywhere. Compare sound, storage and compatibility.
- MP3 vs WAV: Size, Quality and When to Use EachWAV keeps every bit of the sound and is about 10 MB a minute; MP3 is lossy and 4 to 11 times smaller. Which to use for editing, sharing and storing.
- How to Transcribe a WhatsApp Voice Note to TextSave the voice note from WhatsApp as a file, then turn it into text you can skim, search or forward. Works for Hindi and many other languages.
- How to Transcribe Audio to Text (Recordings and Video)Turn interviews, lectures, voice notes and videos into a transcript; the language is detected for you. Free for files up to 2 minutes.
- Trim Audio Free: Cut Silence from the Start and EndCut the dead air at the start and end of a voice note, lecture or podcast free in your browser. Find the silence on the waveform, set the markers, download.
- What Is Audio Bitrate? 128 vs 192 vs 320 kbpsAudio bitrate is how much data a second of sound uses. See file size per minute at 128, 192 and 320 kbps, and which bitrate is good enough for voice and music.
Text guides
- How to Change Text to Uppercase or Lowercase FreePaste text, click UPPERCASE, lowercase, Sentence case or Title Case, and copy the result. A free case converter that keeps your text on your device.
- How to Compare Two Texts for Differences FreePaste two versions of a text to see every change highlighted, side by side or inline, by line, word or character. A free text compare tool; nothing is uploaded.
- Context Window Explained: How Much Can an AI Read? (Free)A context window is the most tokens an AI model handles at once: prompt, files, history and reply share it. Worked examples and a free token counter.
- How to Count Tokens for ChatGPT and Claude (Free)A token is about 4 characters or three quarters of an English word. Count exact GPT tokens and estimate Claude and Gemini tokens with a free AI token counter.
- Fonts for Instagram Bio: Copy and Paste FreeType your bio, pick a fancy font, and copy it into Instagram free. Which styles show on every phone, the 150-character limit, and what to avoid.
- Compare Two Lists to Find Differences FreeSee who's missing from a list: sort both lists the same way, then compare line by line, free. Works for attendance, invites, stock and email lists.
- How Long Does It Take to Read 1,000 Words? (Free Tool)Most adults read 1,000 words in about 4 minutes silently and 7 to 8 minutes aloud. See times for any length, and time your own text with a free word counter.
- How Many Pages Is 1000 Words? (Free Word Count Chart)1,000 words is about 2 pages single-spaced or 4 pages double-spaced in 12 pt. See the chart by font and spacing, and count your text with a free word counter.
- How Many Words in a Novel? Word Counts by GenreA novel is usually 70,000 to 100,000 words; 40,000 is a common minimum. Word counts by genre and form, and a free counter to check yours.
- How Many Words in a Paragraph? Essays, Web and FictionAn essay paragraph is often 100 to 200 words (4 to 8 sentences); web paragraphs run 40 to 80. Typical lengths, and a free way to check yours.
- How Many Words Is a 5-Minute Speech? (Free Chart)A 5-minute speech is about 650 words at a calm pace, or 600 to 800 depending on speed. See a chart for 1 to 60 minutes and check yours with a free word counter.
- How to Minify JSON Free (Compress JSON to One Line)Paste JSON, click Minify, and copy it as one compact line for configs, environment variables, API requests and AI prompts. Free; your data stays local.
- How to Remove Line Breaks from Copied Text FreeText copied from a PDF or email breaks at every line. Paste it into a free line break remover to join it into flowing text and keep your paragraphs.
- SMS Character Limit: 160 or 70? (Free SMS Counter)One SMS holds 160 plain characters, or 70 with an emoji or special character. Why the limit shrinks, how long texts split, and a free SMS counter.
- How to Sort a List Alphabetically Free (A to Z)Paste a list, one item per line, and put it in A to Z order instantly. Remove duplicates, sort numbers properly, number the result, free and private.
- Title Case Rules: AP vs Chicago (Free Converter)Which words to capitalise in a title: the rules all styles share, where AP and Chicago differ, and how to convert a headline free in one click.
- What Does Lorem Ipsum Mean? Origin and TranslationLorem ipsum is scrambled Latin from Cicero, written in 45 BC. It means almost nothing, which is the point. Its origin, when to skip it, and a free generator.
- What Are Tokens in AI? Why They're Not WordsA token is the chunk of text an AI model reads as one unit, often a word piece. Tokens set cost and what fits. Real examples, and a free token counter.
- What Is a URL Slug? Examples, and Changing One SafelyA slug is the readable last part of a web address, like best-pasta-recipes. Good and bad examples, a free slug maker, and how to change one safely.
- Word Count in Google Docs and Word (Free Checker)Where to find word count in Google Docs, Word, Pages and their phone apps, why totals differ, and a free counter for a second opinion.
Calculators guides
- 15 vs 30 Year Mortgage: Payment vs Interest (Free)A 15-year mortgage costs more monthly but can save over $200,000 in interest. Compare both on a $320,000 loan with the free mortgage calculator.
- Military Time: 24-Hour Clock Chart and Conversion (Free)Military time counts hours 00 to 23, so 3 pm is 1500. A conversion chart, midnight and noon edge cases, and durations with a free time duration calculator.
- The 50/30/20 Rule Explained, With a Free CalculatorThe 50/30/20 rule splits take-home pay into 50% needs, 30% wants and 20% savings. Examples in dollars and rupees, a free calculator and when to adjust.
- How to Add Hours and Minutes for Timesheets (Free)Add hours and minutes like 8:30 + 7:45 without mistakes, get decimal hours for payroll, and handle breaks and night shifts. Free time duration calculator.
- GST Calculation Formula: Add or Remove GST (Free)Add GST with price × (1 + rate ÷ 100). Remove it from an inclusive price with price × 100 ÷ (100 + rate). Worked examples and a free calculator.
- Age as on Date Calculator for Exam Eligibility (Free)Exam age limits are counted "as on" a cut-off date. Find your exact age on that date free, turn the limits into a born-between window, and check relaxations.
- Age Difference Calculator: Gap Between Two Birthdays FreeFind the exact age gap between two people in years, months and days. Enter the older birthday, set the second date to the younger one's birthday. Free.