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ContactImage converterMP4 to GIFGIF to MP4Image & GIF resizerMP4 resizerosu! beatmap playerBMS chart playerMapleStory character detailsPotential expected value calculatorPotential probability searchBase64 encoder · decoderURL encoder · decoderHTML entity encoder · decoderHex encoder · decoderUnicode escape converterJSON formatter · minifierJWT decoderSHA-1 hash generatorSHA-256 hash generatorSHA-384 hash generatorSHA-512 hash generatorHMAC-SHA256 generator

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Convert files, work with cryptography, and explore MapleStory tools in one place.

All tools

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See every feature by category and jump straight into a tool.

File tools

Convert and resize GIF, MP4, and images

Image converterConvert images to WEBP, JPG, PNG, GIF, or APNGMP4 to GIFTurn an MP4 video into an animated GIFGIF to MP4Turn an animated GIF into an MP4 videoImage & GIF resizerAdjust image or GIF width and qualityMP4 resizerAdjust MP4 video width and quality

Encoding & cryptography

Base64, URL, JSON, hashes, and more

Base64 encoder · decoderEncode or decode text as Base64URL encoder · decoderEncode or restore URL characters with percent notationHTML entity encoder · decoderConvert HTML special characters to entities or restore themHex encoder · decoderConvert text and hexadecimal bytes both waysUnicode escape converterConvert characters and Unicode escape sequences both waysJSON formatter · minifierValidate, format, or minify JSONJWT decoderDecode a JWT header and payload without verifying its signatureSHA-1 hash generatorGenerate a SHA-1 hash in your browserSHA-256 hash generatorGenerate a SHA-256 hash in your browserSHA-384 hash generatorGenerate a SHA-384 hash in your browserSHA-512 hash generatorGenerate a SHA-512 hash in your browserHMAC-SHA256 generatorGenerate an HMAC-SHA256 signature with a secret key

Rhythm games

Load and play osu! and BMS charts

osu! beatmap playerLoad and play .osu or .osz beatmaps in your browserBMS chart playerPlay BMS charts from folders or archives with sounds

MapleStory

MapleStory features powered by the Nexon Open API

MapleStory character detailsLook up character, stats, equipment, and skills by namePotential expected value calculatorEstimate potential options and cost for an item level and partPotential probability searchLook up potential rates by grade, part, and item level